Allow to build kernel with XZ compression #234
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I've grabbed the upstream version: |
andyduller
pushed a commit
to afterthoughtsoftware/linux
that referenced
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Mar 1, 2013
commit 50df9fd upstream. The crash was caused by a variable being erronously declared static in token2str(). In addition to /proc/mounts, the problem can also be easily replicated by accessing /proc/fs/ext4/<partition>/options in parallel: $ cat /proc/fs/ext4/<partition>/options > options.txt ... and then running the following command in two different terminals: $ while diff /proc/fs/ext4/<partition>/options options.txt; do true; done This is also the cause of the following a crash while running xfstests raspberrypi#234, as reported in the following bug reports: https://bugs.launchpad.net/bugs/1053019 https://bugzilla.kernel.org/show_bug.cgi?id=47731 Signed-off-by: Herton Ronaldo Krzesinski <[email protected]> Signed-off-by: "Theodore Ts'o" <[email protected]> Cc: Brad Figg <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
N8Fear
pushed a commit
to N8Fear/linux
that referenced
this pull request
Mar 7, 2013
The crash was caused by a variable being erronously declared static in token2str(). In addition to /proc/mounts, the problem can also be easily replicated by accessing /proc/fs/ext4/<partition>/options in parallel: $ cat /proc/fs/ext4/<partition>/options > options.txt ... and then running the following command in two different terminals: $ while diff /proc/fs/ext4/<partition>/options options.txt; do true; done This is also the cause of the following a crash while running xfstests raspberrypi#234, as reported in the following bug reports: https://bugs.launchpad.net/bugs/1053019 https://bugzilla.kernel.org/show_bug.cgi?id=47731 Signed-off-by: Herton Ronaldo Krzesinski <[email protected]> Signed-off-by: "Theodore Ts'o" <[email protected]> Cc: Brad Figg <[email protected]> Cc: [email protected]
popcornmix
pushed a commit
that referenced
this pull request
Mar 27, 2015
commit 61615cd upstream. When do suspend/resume stress test, some log shows "rcv is not +last". The issue is that enet suspend will disable phy clock, phy link down, after resume back, enet MAC redo initial and ready to tx/rx packet, but phy still is not ready which is doing auto-negotiation. When phy link is not up, don't schdule napi soft irq. [Peter] It has fixed kernel panic after long time suspend/resume test with nfs rootfs. [ 8864.429458] fec 2188000.ethernet eth0: rcv is not +last [ 8864.434799] fec 2188000.ethernet eth0: rcv is not +last [ 8864.440088] fec 2188000.ethernet eth0: rcv is not +last [ 8864.445424] fec 2188000.ethernet eth0: rcv is not +last [ 8864.450782] fec 2188000.ethernet eth0: rcv is not +last [ 8864.456111] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 8864.464225] pgd = 80004000 [ 8864.466997] [00000000] *pgd=00000000 [ 8864.470627] Internal error: Oops: 17 [#1] SMP ARM [ 8864.475353] Modules linked in: evbug [ 8864.479006] CPU: 0 PID: 3 Comm: ksoftirqd/0 Not tainted 4.0.0-rc1-00044-g7a2a1d2 #234 [ 8864.486854] Hardware name: Freescale i.MX6 SoloX (Device Tree) [ 8864.492709] task: be069380 ti: be07a000 task.ti: be07a000 [ 8864.498137] PC is at memcpy+0x80/0x330 [ 8864.501919] LR is at gro_pull_from_frag0+0x34/0xa8 [ 8864.506735] pc : [<802bb080>] lr : [<8057c204>] psr: 00000113 [ 8864.506735] sp : be07bbd4 ip : 00000010 fp : be07bc0c [ 8864.518235] r10: 0000000e r9 : 00000000 r8 : 809c7754 [ 8864.523479] r7 : 809c7754 r6 : bb43c040 r5 : bd280cc0 r4 : 00000012 [ 8864.530025] r3 : 00000804 r2 : fffffff2 r1 : 00000000 r0 : bb43b83c [ 8864.536575] Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel [ 8864.543904] Control: 10c5387d Table: bd14c04a DAC: 00000015 [ 8864.549669] Process ksoftirqd/0 (pid: 3, stack limit = 0xbe07a210) [ 8864.555869] Stack: (0xbe07bbd4 to 0xbe07c000) [ 8864.560250] bbc0: bd280cc0 bb43c040 809c7754 [ 8864.568455] bbe0: 809c7754 bb43b83c 00000012 8057c204 00000000 bd280cc0 bd8a0718 00000003 [ 8864.576658] bc00: be07bc5c be07bc10 8057ebf0 8057c1dc 00000000 00000000 8057ecc4 bef59760 [ 8864.584863] bc20: 00000002 bd8a0000 be07bc64 809c7754 00000000 bd8a0718 bd280cc0 bd8a0000 [ 8864.593066] bc40: 00000000 0000001c 00000000 bd8a0000 be07bc74 be07bc60 8057f148 8057eb90 [ 8864.601268] bc60: bf0810a0 00000000 be07bcf4 be07bc78 8044e7b4 8057f12c 00000000 8007df6c [ 8864.609470] bc80: bd8a0718 00000040 00000000 bd280a80 00000002 00000019 bd8a0600 bd8a1214 [ 8864.617672] bca0: bd8a0690 bf0810a0 00000000 00000000 bd8a1000 00000000 00000027 bd280cc0 [ 8864.625874] bcc0: 80062708 800625cc 000943db bd8a0718 00000001 000d1166 00000040 be7c1ec0 [ 8864.634077] bce0: 0000012c be07bd00 be07bd3c be07bcf8 8057fc98 8044e3ac 809c2ec0 3ddff000 [ 8864.642280] bd00: be07bd00 be07bd00 be07bd08 be07bd08 00000000 00000020 809c608c 00000003 [ 8864.650481] bd20: 809c6080 40000001 809c6088 00200100 be07bd84 be07bd40 8002e690 8057fac8 [ 8864.658684] bd40: be07bd64 be07bd50 00000001 04208040 000d1165 0000000a be07bd84 809c0d7c [ 8864.666885] bd60: 00000000 809c6af8 00000000 00000001 be008000 00000000 be07bd9c be07bd88 [ 8864.675087] bd80: 8002eb64 8002e564 00000125 809c0d7c be07bdc4 be07bda0 8006f100 8002eaac [ 8864.683291] bda0: c080e10c be07bde8 809c6c6c c080e100 00000002 00000000 be07bde4 be07bdc8 [ 8864.691492] bdc0: 800087a0 8006f098 806f2934 20000013 ffffffff be07be1c be07be44 be07bde8 [ 8864.699695] bde0: 800133a4 80008784 00000001 00000001 00000000 00000000 be7c1680 00000000 [ 8864.707896] be00: be0cfe00 bd93eb40 00000002 00000000 00000000 be07be44 be07be00 be07be30 [ 8864.716098] be20: 8006278c 806f2934 20000013 ffffffff be069380 be7c1680 be07be7c be07be48 [ 8864.724300] be40: 80049cfc 806f2910 00000001 00000000 80049cb4 00000000 be07be7c be7c1680 [ 8864.732502] be60: be3289c0 be069380 bd23b600 be0cfe00 be07bebc be07be80 806ed614 80049c68 [ 8864.740706] be80: be07a000 0000020a 809c608c 00000003 00000001 8002e858 be07a000 be035740 [ 8864.748907] bea0: 00000000 00000001 809d4598 00000000 be07bed4 be07bec0 806edd0c 806ed440 [ 8864.757110] bec0: be07a000 be07a000 be07bee4 be07bed8 806edd68 806edcf0 be07bef4 be07bee8 [ 8864.765311] bee0: 8002e860 806edd34 be07bf24 be07bef8 800494b0 8002e828 be069380 00000000 [ 8864.773512] bf00: be035780 be035740 8004938c 00000000 00000000 00000000 be07bfac be07bf28 [ 8864.781715] bf20: 80045928 80049398 be07bf44 00000001 00000000 be035740 00000000 00030003 [ 8864.789917] bf40: dead4ead ffffffff ffffffff 80a2716c 80b59b00 00000000 8088c954 be07bf5c [ 8864.798120] bf60: be07bf5c 00000000 00000000 dead4ead ffffffff ffffffff 80a2716c 00000000 [ 8864.806320] bf80: 00000000 8088c954 be07bf88 be07bf88 be035780 8004584c 00000000 00000000 [ 8864.814523] bfa0: 00000000 be07bfb0 8000ed10 80045858 00000000 00000000 00000000 00000000 [ 8864.822723] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 8864.830925] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 5ffbb5f7 f9fcf5e7 [ 8864.839115] Backtrace: [ 8864.841631] [<8057c1d0>] (gro_pull_from_frag0) from [<8057ebf0>] (dev_gro_receive+0x6c/0x3f8) [ 8864.850173] r6:00000003 r5:bd8a0718 r4:bd280cc0 r3:00000000 [ 8864.855958] [<8057eb84>] (dev_gro_receive) from [<8057f148>] (napi_gro_receive+0x28/0xac) [ 8864.864152] r10:bd8a0000 r9:00000000 r8:0000001c r7:00000000 r6:bd8a0000 r5:bd280cc0 [ 8864.872115] r4:bd8a0718 [ 8864.874713] [<8057f120>] (napi_gro_receive) from [<8044e7b4>] (fec_enet_rx_napi+0x414/0xc74) [ 8864.883167] r5:00000000 r4:bf0810a0 [ 8864.886823] [<8044e3a0>] (fec_enet_rx_napi) from [<8057fc98>] (net_rx_action+0x1dc/0x2ec) [ 8864.895016] r10:be07bd00 r9:0000012c r8:be7c1ec0 r7:00000040 r6:000d1166 r5:00000001 [ 8864.902982] r4:bd8a0718 [ 8864.905570] [<8057fabc>] (net_rx_action) from [<8002e690>] (__do_softirq+0x138/0x2c4) [ 8864.913417] r10:00200100 r9:809c6088 r8:40000001 r7:809c6080 r6:00000003 r5:809c608c [ 8864.921382] r4:00000020 [ 8864.923966] [<8002e558>] (__do_softirq) from [<8002eb64>] (irq_exit+0xc4/0x138) [ 8864.931289] r10:00000000 r9:be008000 r8:00000001 r7:00000000 r6:809c6af8 r5:00000000 [ 8864.939252] r4:809c0d7c [ 8864.941841] [<8002eaa0>] (irq_exit) from [<8006f100>] (__handle_domain_irq+0x74/0xe8) [ 8864.949688] r4:809c0d7c r3:00000125 [ 8864.953342] [<8006f08c>] (__handle_domain_irq) from [<800087a0>] (gic_handle_irq+0x28/0x68) [ 8864.961707] r9:00000000 r8:00000002 r7:c080e100 r6:809c6c6c r5:be07bde8 r4:c080e10c [ 8864.969597] [<80008778>] (gic_handle_irq) from [<800133a4>] (__irq_svc+0x44/0x5c) [ 8864.977097] Exception stack(0xbe07bde8 to 0xbe07be30) [ 8864.982173] bde0: 00000001 00000001 00000000 00000000 be7c1680 00000000 [ 8864.990377] be00: be0cfe00 bd93eb40 00000002 00000000 00000000 be07be44 be07be00 be07be30 [ 8864.998573] be20: 8006278c 806f2934 20000013 ffffffff [ 8865.003638] r7:be07be1c r6:ffffffff r5:20000013 r4:806f2934 [ 8865.009447] [<806f2904>] (_raw_spin_unlock_irq) from [<80049cfc>] (finish_task_switch+0xa0/0x160) [ 8865.018334] r4:be7c1680 r3:be069380 [ 8865.021993] [<80049c5c>] (finish_task_switch) from [<806ed614>] (__schedule+0x1e0/0x5dc) [ 8865.030098] r8:be0cfe00 r7:bd23b600 r6:be069380 r5:be3289c0 r4:be7c1680 [ 8865.036942] [<806ed434>] (__schedule) from [<806edd0c>] (preempt_schedule_common+0x28/0x44) [ 8865.045307] r9:00000000 r8:809d4598 r7:00000001 r6:00000000 r5:be035740 r4:be07a000 [ 8865.053197] [<806edce4>] (preempt_schedule_common) from [<806edd68>] (_cond_resched+0x40/0x48) [ 8865.061822] r4:be07a000 r3:be07a000 [ 8865.065472] [<806edd28>] (_cond_resched) from [<8002e860>] (run_ksoftirqd+0x44/0x64) [ 8865.073252] [<8002e81c>] (run_ksoftirqd) from [<800494b0>] (smpboot_thread_fn+0x124/0x190) [ 8865.081550] [<8004938c>] (smpboot_thread_fn) from [<80045928>] (kthread+0xdc/0xf8) [ 8865.089133] r10:00000000 r9:00000000 r8:00000000 r7:8004938c r6:be035740 r5:be035780 [ 8865.097097] r4:00000000 r3:be069380 [ 8865.100752] [<8004584c>] (kthread) from [<8000ed10>] (ret_from_fork+0x14/0x24) [ 8865.107990] r7:00000000 r6:00000000 r5:8004584c r4:be035780 [ 8865.113767] Code: e320f000 e4913004 e4914004 e4915004 (e4916004) [ 8865.120006] ---[ end trace b0a4c6bd499288ca ]--- [ 8865.124697] Kernel panic - not syncing: Fatal exception in interrupt [ 8865.131084] ---[ end Kernel panic - not syncing: Fatal exception in interrupt Tested-by: Peter Chen <[email protected]> Signed-off-by: Peter Chen <[email protected]> Signed-off-by: Fugang Duan <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
anholt
pushed a commit
to anholt/linux
that referenced
this pull request
Apr 21, 2015
When do suspend/resume stress test, some log shows "rcv is not +last". The issue is that enet suspend will disable phy clock, phy link down, after resume back, enet MAC redo initial and ready to tx/rx packet, but phy still is not ready which is doing auto-negotiation. When phy link is not up, don't schdule napi soft irq. [Peter] It has fixed kernel panic after long time suspend/resume test with nfs rootfs. [ 8864.429458] fec 2188000.ethernet eth0: rcv is not +last [ 8864.434799] fec 2188000.ethernet eth0: rcv is not +last [ 8864.440088] fec 2188000.ethernet eth0: rcv is not +last [ 8864.445424] fec 2188000.ethernet eth0: rcv is not +last [ 8864.450782] fec 2188000.ethernet eth0: rcv is not +last [ 8864.456111] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 8864.464225] pgd = 80004000 [ 8864.466997] [00000000] *pgd=00000000 [ 8864.470627] Internal error: Oops: 17 [#1] SMP ARM [ 8864.475353] Modules linked in: evbug [ 8864.479006] CPU: 0 PID: 3 Comm: ksoftirqd/0 Not tainted 4.0.0-rc1-00044-g7a2a1d2 raspberrypi#234 [ 8864.486854] Hardware name: Freescale i.MX6 SoloX (Device Tree) [ 8864.492709] task: be069380 ti: be07a000 task.ti: be07a000 [ 8864.498137] PC is at memcpy+0x80/0x330 [ 8864.501919] LR is at gro_pull_from_frag0+0x34/0xa8 [ 8864.506735] pc : [<802bb080>] lr : [<8057c204>] psr: 00000113 [ 8864.506735] sp : be07bbd4 ip : 00000010 fp : be07bc0c [ 8864.518235] r10: 0000000e r9 : 00000000 r8 : 809c7754 [ 8864.523479] r7 : 809c7754 r6 : bb43c040 r5 : bd280cc0 r4 : 00000012 [ 8864.530025] r3 : 00000804 r2 : fffffff2 r1 : 00000000 r0 : bb43b83c [ 8864.536575] Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel [ 8864.543904] Control: 10c5387d Table: bd14c04a DAC: 00000015 [ 8864.549669] Process ksoftirqd/0 (pid: 3, stack limit = 0xbe07a210) [ 8864.555869] Stack: (0xbe07bbd4 to 0xbe07c000) [ 8864.560250] bbc0: bd280cc0 bb43c040 809c7754 [ 8864.568455] bbe0: 809c7754 bb43b83c 00000012 8057c204 00000000 bd280cc0 bd8a0718 00000003 [ 8864.576658] bc00: be07bc5c be07bc10 8057ebf0 8057c1dc 00000000 00000000 8057ecc4 bef59760 [ 8864.584863] bc20: 00000002 bd8a0000 be07bc64 809c7754 00000000 bd8a0718 bd280cc0 bd8a0000 [ 8864.593066] bc40: 00000000 0000001c 00000000 bd8a0000 be07bc74 be07bc60 8057f148 8057eb90 [ 8864.601268] bc60: bf0810a0 00000000 be07bcf4 be07bc78 8044e7b4 8057f12c 00000000 8007df6c [ 8864.609470] bc80: bd8a0718 00000040 00000000 bd280a80 00000002 00000019 bd8a0600 bd8a1214 [ 8864.617672] bca0: bd8a0690 bf0810a0 00000000 00000000 bd8a1000 00000000 00000027 bd280cc0 [ 8864.625874] bcc0: 80062708 800625cc 000943db bd8a0718 00000001 000d1166 00000040 be7c1ec0 [ 8864.634077] bce0: 0000012c be07bd00 be07bd3c be07bcf8 8057fc98 8044e3ac 809c2ec0 3ddff000 [ 8864.642280] bd00: be07bd00 be07bd00 be07bd08 be07bd08 00000000 00000020 809c608c 00000003 [ 8864.650481] bd20: 809c6080 40000001 809c6088 00200100 be07bd84 be07bd40 8002e690 8057fac8 [ 8864.658684] bd40: be07bd64 be07bd50 00000001 04208040 000d1165 0000000a be07bd84 809c0d7c [ 8864.666885] bd60: 00000000 809c6af8 00000000 00000001 be008000 00000000 be07bd9c be07bd88 [ 8864.675087] bd80: 8002eb64 8002e564 00000125 809c0d7c be07bdc4 be07bda0 8006f100 8002eaac [ 8864.683291] bda0: c080e10c be07bde8 809c6c6c c080e100 00000002 00000000 be07bde4 be07bdc8 [ 8864.691492] bdc0: 800087a0 8006f098 806f2934 20000013 ffffffff be07be1c be07be44 be07bde8 [ 8864.699695] bde0: 800133a4 80008784 00000001 00000001 00000000 00000000 be7c1680 00000000 [ 8864.707896] be00: be0cfe00 bd93eb40 00000002 00000000 00000000 be07be44 be07be00 be07be30 [ 8864.716098] be20: 8006278c 806f2934 20000013 ffffffff be069380 be7c1680 be07be7c be07be48 [ 8864.724300] be40: 80049cfc 806f2910 00000001 00000000 80049cb4 00000000 be07be7c be7c1680 [ 8864.732502] be60: be3289c0 be069380 bd23b600 be0cfe00 be07bebc be07be80 806ed614 80049c68 [ 8864.740706] be80: be07a000 0000020a 809c608c 00000003 00000001 8002e858 be07a000 be035740 [ 8864.748907] bea0: 00000000 00000001 809d4598 00000000 be07bed4 be07bec0 806edd0c 806ed440 [ 8864.757110] bec0: be07a000 be07a000 be07bee4 be07bed8 806edd68 806edcf0 be07bef4 be07bee8 [ 8864.765311] bee0: 8002e860 806edd34 be07bf24 be07bef8 800494b0 8002e828 be069380 00000000 [ 8864.773512] bf00: be035780 be035740 8004938c 00000000 00000000 00000000 be07bfac be07bf28 [ 8864.781715] bf20: 80045928 80049398 be07bf44 00000001 00000000 be035740 00000000 00030003 [ 8864.789917] bf40: dead4ead ffffffff ffffffff 80a2716c 80b59b00 00000000 8088c954 be07bf5c [ 8864.798120] bf60: be07bf5c 00000000 00000000 dead4ead ffffffff ffffffff 80a2716c 00000000 [ 8864.806320] bf80: 00000000 8088c954 be07bf88 be07bf88 be035780 8004584c 00000000 00000000 [ 8864.814523] bfa0: 00000000 be07bfb0 8000ed10 80045858 00000000 00000000 00000000 00000000 [ 8864.822723] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 8864.830925] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 5ffbb5f7 f9fcf5e7 [ 8864.839115] Backtrace: [ 8864.841631] [<8057c1d0>] (gro_pull_from_frag0) from [<8057ebf0>] (dev_gro_receive+0x6c/0x3f8) [ 8864.850173] r6:00000003 r5:bd8a0718 r4:bd280cc0 r3:00000000 [ 8864.855958] [<8057eb84>] (dev_gro_receive) from [<8057f148>] (napi_gro_receive+0x28/0xac) [ 8864.864152] r10:bd8a0000 r9:00000000 r8:0000001c r7:00000000 r6:bd8a0000 r5:bd280cc0 [ 8864.872115] r4:bd8a0718 [ 8864.874713] [<8057f120>] (napi_gro_receive) from [<8044e7b4>] (fec_enet_rx_napi+0x414/0xc74) [ 8864.883167] r5:00000000 r4:bf0810a0 [ 8864.886823] [<8044e3a0>] (fec_enet_rx_napi) from [<8057fc98>] (net_rx_action+0x1dc/0x2ec) [ 8864.895016] r10:be07bd00 r9:0000012c r8:be7c1ec0 r7:00000040 r6:000d1166 r5:00000001 [ 8864.902982] r4:bd8a0718 [ 8864.905570] [<8057fabc>] (net_rx_action) from [<8002e690>] (__do_softirq+0x138/0x2c4) [ 8864.913417] r10:00200100 r9:809c6088 r8:40000001 r7:809c6080 r6:00000003 r5:809c608c [ 8864.921382] r4:00000020 [ 8864.923966] [<8002e558>] (__do_softirq) from [<8002eb64>] (irq_exit+0xc4/0x138) [ 8864.931289] r10:00000000 r9:be008000 r8:00000001 r7:00000000 r6:809c6af8 r5:00000000 [ 8864.939252] r4:809c0d7c [ 8864.941841] [<8002eaa0>] (irq_exit) from [<8006f100>] (__handle_domain_irq+0x74/0xe8) [ 8864.949688] r4:809c0d7c r3:00000125 [ 8864.953342] [<8006f08c>] (__handle_domain_irq) from [<800087a0>] (gic_handle_irq+0x28/0x68) [ 8864.961707] r9:00000000 r8:00000002 r7:c080e100 r6:809c6c6c r5:be07bde8 r4:c080e10c [ 8864.969597] [<80008778>] (gic_handle_irq) from [<800133a4>] (__irq_svc+0x44/0x5c) [ 8864.977097] Exception stack(0xbe07bde8 to 0xbe07be30) [ 8864.982173] bde0: 00000001 00000001 00000000 00000000 be7c1680 00000000 [ 8864.990377] be00: be0cfe00 bd93eb40 00000002 00000000 00000000 be07be44 be07be00 be07be30 [ 8864.998573] be20: 8006278c 806f2934 20000013 ffffffff [ 8865.003638] r7:be07be1c r6:ffffffff r5:20000013 r4:806f2934 [ 8865.009447] [<806f2904>] (_raw_spin_unlock_irq) from [<80049cfc>] (finish_task_switch+0xa0/0x160) [ 8865.018334] r4:be7c1680 r3:be069380 [ 8865.021993] [<80049c5c>] (finish_task_switch) from [<806ed614>] (__schedule+0x1e0/0x5dc) [ 8865.030098] r8:be0cfe00 r7:bd23b600 r6:be069380 r5:be3289c0 r4:be7c1680 [ 8865.036942] [<806ed434>] (__schedule) from [<806edd0c>] (preempt_schedule_common+0x28/0x44) [ 8865.045307] r9:00000000 r8:809d4598 r7:00000001 r6:00000000 r5:be035740 r4:be07a000 [ 8865.053197] [<806edce4>] (preempt_schedule_common) from [<806edd68>] (_cond_resched+0x40/0x48) [ 8865.061822] r4:be07a000 r3:be07a000 [ 8865.065472] [<806edd28>] (_cond_resched) from [<8002e860>] (run_ksoftirqd+0x44/0x64) [ 8865.073252] [<8002e81c>] (run_ksoftirqd) from [<800494b0>] (smpboot_thread_fn+0x124/0x190) [ 8865.081550] [<8004938c>] (smpboot_thread_fn) from [<80045928>] (kthread+0xdc/0xf8) [ 8865.089133] r10:00000000 r9:00000000 r8:00000000 r7:8004938c r6:be035740 r5:be035780 [ 8865.097097] r4:00000000 r3:be069380 [ 8865.100752] [<8004584c>] (kthread) from [<8000ed10>] (ret_from_fork+0x14/0x24) [ 8865.107990] r7:00000000 r6:00000000 r5:8004584c r4:be035780 [ 8865.113767] Code: e320f000 e4913004 e4914004 e4915004 (e4916004) [ 8865.120006] ---[ end trace b0a4c6bd499288ca ]--- [ 8865.124697] Kernel panic - not syncing: Fatal exception in interrupt [ 8865.131084] ---[ end Kernel panic - not syncing: Fatal exception in interrupt Cc: [v3.19+] [email protected] Tested-by: Peter Chen <[email protected]> Signed-off-by: Peter Chen <[email protected]> Signed-off-by: Fugang Duan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
popcornmix
pushed a commit
that referenced
this pull request
Jan 21, 2017
commit cc98e6c upstream. commit 202b52b ("drm: Track drm_mm nodes with an interval tree") introduced a requirement that the special drm_mm.head_node was initialised and marked as not being allocated. It is a very special node that has no side but has a hole that represents the drm_mm address space, and holds the list of nodes. Since it is not a real node, it is not part of the node rbtree and we detect this as it being unallocated. This presumed that drm_mm_init() was initialising it to zero. It happens that i915 kzallocs its objects and so it was accidentally setting it, but for generic use we cannot make that assumption. [ 22.981519] general protection fault: 0000 [#1] SMP [ 22.981521] Modules linked in: test_drm_mm(+) ctr ccm arc4 rt2800usb rt2x00usb rt2800lib rt2x00lib crc_ccitt mac80211 cmac rfcomm bnep snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel dcdbas snd_hda_codec x86_pkg_temp_thermal intel_powerclamp btusb snd_hda_core coretemp crct10dif_pclmul cfg80211 btrtl btbcm btintel bluetooth crc32_pclmul ghash_clmulni_intel aesni_intel snd_pcm i2c_hid aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_timer hid_multitouch snd joydev serio_raw lpc_ich mfd_core i2c_designware_platform i2c_designware_core 8250_dw binfmt_misc soundcore acpi_pad nls_iso8859_1 usbhid hid psmouse ahci libahci [last unloaded: test_drm_mm] [ 22.981544] CPU: 1 PID: 2088 Comm: drm_mm Tainted: G W 4.9.0-rc7+ #234 [ 22.981545] Hardware name: Dell Inc. XPS 13 9343/0310JH, BIOS A07 11/11/2015 [ 22.981546] task: ffff88020c971cc0 task.stack: ffffc90001728000 [ 22.981547] RIP: 0010:[<ffffffff814050f0>] [<ffffffff814050f0>] drm_mm_interval_tree_add_node+0xa0/0xd0 [ 22.981551] RSP: 0018:ffffc9000172ba98 EFLAGS: 00010202 [ 22.981552] RAX: 0f0000c69cf63d80 RBX: ffff88020be00000 RCX: ffff88020be00000 [ 22.981553] RDX: 0000000000000fff RSI: ffffc9000172bc48 RDI: ffffffff810ac4df [ 22.981553] RBP: ffffc9000172bb08 R08: ffffc9000172bc70 R09: 0000000000000fff [ 22.981554] R10: ffffffff810ac4d7 R11: 4dc04d8b4cffffe5 R12: 0000000000001000 [ 22.981555] R13: ffffc9000172bbd0 R14: ffffc9000172bbe0 R15: 0000000002000000 [ 22.981556] FS: 00007f80c9fab740(0000) GS:ffff88021f480000(0000) knlGS:0000000000000000 [ 22.981557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.981558] CR2: 00007f80c9fd5000 CR3: 000000020c191000 CR4: 00000000003406e0 [ 22.981559] Stack: [ 22.981560] ffffffff81405d09 ffff88020be00000 ffffc9000172bbe0 000000000172bb08 [ 22.981562] ffffffffffffffff 0000000000000000 0000000000000000 0000000000000000 [ 22.981563] 0000000002000000 0000000002000000 ffffffffa02f3000 ffff88020be00000 [ 22.981565] Call Trace: [ 22.981568] [<ffffffff81405d09>] ? drm_mm_insert_node_generic+0x229/0x310 [ 22.981570] [<ffffffffa02f3000>] ? 0xffffffffa02f3000 [ 22.981572] [<ffffffffa02903c1>] __subtest_insert_range.constprop.7+0xd1/0x5b0 [test_drm_mm] [ 22.981575] [<ffffffff81081222>] ? default_wake_function+0x12/0x20 [ 22.981576] [<ffffffff81096905>] ? __wake_up_common+0x55/0x90 [ 22.981578] [<ffffffff81085f42>] ? sched_clock_cpu+0x72/0xa0 [ 22.981581] [<ffffffff811308ad>] ? irq_work_queue+0xd/0x80 [ 22.981582] [<ffffffff810abcc4>] ? wake_up_klogd+0x34/0x40 [ 22.981584] [<ffffffff810ac19d>] ? console_unlock+0x4cd/0x530 [ 22.981585] [<ffffffff810ac4d7>] ? vprintk_emit+0x2d7/0x490 [ 22.981587] [<ffffffff810ac82f>] ? vprintk_default+0x1f/0x30 [ 22.981589] [<ffffffff81146e1c>] ? printk+0x4d/0x4f [ 22.981590] [<ffffffffa02f3000>] ? 0xffffffffa02f3000 [ 22.981592] [<ffffffffa02908b5>] subtest_insert_range+0x15/0x80 [test_drm_mm] [ 22.981594] [<ffffffffa02f3088>] test_drm_mm_init+0x88/0x1000 [test_drm_mm] [ 22.981597] [<ffffffff8100043d>] do_one_initcall+0x3d/0x150 [ 22.981600] [<ffffffff8119dfbf>] ? kfree+0x13f/0x180 [ 22.981602] [<ffffffff811471f2>] do_init_module+0x60/0x1f1 [ 22.981606] [<ffffffff810db878>] load_module+0x2228/0x2790 [ 22.981608] [<ffffffff810d8590>] ? __symbol_put+0x40/0x40 [ 22.981612] [<ffffffff811c52b1>] ? kernel_read+0x41/0x60 [ 22.981614] [<ffffffff810dbfb6>] SYSC_finit_module+0x96/0xd0 [ 22.981617] [<ffffffff810dc00e>] SyS_finit_module+0xe/0x10 [ 22.981620] [<ffffffff816e7aa4>] entry_SYSCALL_64_fastpath+0x17/0x98 [ 22.981622] Code: c7 41 30 00 00 00 00 48 89 e5 48 89 3a 48 c7 c2 20 4e 40 81 e8 b2 a1 f0 ff 5d c3 48 8d 56 78 45 31 d2 48 89 d6 eb 25 48 8b 51 58 <48> 39 50 38 73 04 48 89 50 38 4c 8b 58 28 4c 39 59 48 48 8d 50 [ 22.981651] RIP [<ffffffff814050f0>] drm_mm_interval_tree_add_node+0xa0/0xd0 [ 22.981655] RSP <ffffc9000172ba98> Testcase: igt/drm_mm Fixes: 202b52b ("drm: Track drm_mm nodes with an interval tree") Signed-off-by: Chris Wilson <[email protected]> Cc: David Herrmann <[email protected]> Cc: [email protected] Cc: Daniel Vetter <[email protected]> Cc: <[email protected]> # v4.9-rc1+ Signed-off-by: Daniel Vetter <[email protected]> Link: http://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
anholt
pushed a commit
to anholt/linux
that referenced
this pull request
Mar 16, 2017
The code where sk_clone() came from created a new socket and locked it, but then, on the error path didn't unlock it. This problem stayed there for a long while, till b0691c8 ("net: Unlock sock before calling sk_free()") fixed it, but unfortunately the callers of sk_clone() (now sk_clone_locked()) were not audited and the one in dccp_create_openreq_child() remained. Now in the age of the syskaller fuzzer, this was finally uncovered, as reported by Dmitry: ---- 8< ---- I've got the following report while running syzkaller fuzzer on 86292b3 ("Merge branch 'akpm' (patches from Andrew)") [ BUG: held lock freed! ] 4.10.0+ raspberrypi#234 Not tainted ------------------------- syz-executor6/6898 is freeing memory ffff88006286cac0-ffff88006286d3b7, with a lock still held there! (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] spin_lock include/linux/spinlock.h:299 [inline] (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] sk_clone_lock+0x3d9/0x12c0 net/core/sock.c:1504 5 locks held by syz-executor6/6898: #0: (sk_lock-AF_INET6){+.+.+.}, at: [<ffffffff839a34b4>] lock_sock include/net/sock.h:1460 [inline] #0: (sk_lock-AF_INET6){+.+.+.}, at: [<ffffffff839a34b4>] inet_stream_connect+0x44/0xa0 net/ipv4/af_inet.c:681 #1: (rcu_read_lock){......}, at: [<ffffffff83bc1c2a>] inet6_csk_xmit+0x12a/0x5d0 net/ipv6/inet6_connection_sock.c:126 #2: (rcu_read_lock){......}, at: [<ffffffff8369b424>] __skb_unlink include/linux/skbuff.h:1767 [inline] #2: (rcu_read_lock){......}, at: [<ffffffff8369b424>] __skb_dequeue include/linux/skbuff.h:1783 [inline] #2: (rcu_read_lock){......}, at: [<ffffffff8369b424>] process_backlog+0x264/0x730 net/core/dev.c:4835 #3: (rcu_read_lock){......}, at: [<ffffffff83aeb5c0>] ip6_input_finish+0x0/0x1700 net/ipv6/ip6_input.c:59 #4: (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] spin_lock include/linux/spinlock.h:299 [inline] #4: (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] sk_clone_lock+0x3d9/0x12c0 net/core/sock.c:1504 Fix it just like was done by b0691c8 ("net: Unlock sock before calling sk_free()"). Reported-by: Dmitry Vyukov <[email protected]> Cc: Cong Wang <[email protected]> Cc: Eric Dumazet <[email protected]> Cc: Gerrit Renker <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: David S. Miller <[email protected]>
ED6E0F17
pushed a commit
to ED6E0F17/linux
that referenced
this pull request
Mar 22, 2017
[ Upstream commit d5afb6f ] The code where sk_clone() came from created a new socket and locked it, but then, on the error path didn't unlock it. This problem stayed there for a long while, till b0691c8 ("net: Unlock sock before calling sk_free()") fixed it, but unfortunately the callers of sk_clone() (now sk_clone_locked()) were not audited and the one in dccp_create_openreq_child() remained. Now in the age of the syskaller fuzzer, this was finally uncovered, as reported by Dmitry: ---- 8< ---- I've got the following report while running syzkaller fuzzer on 86292b3 ("Merge branch 'akpm' (patches from Andrew)") [ BUG: held lock freed! ] 4.10.0+ raspberrypi#234 Not tainted ------------------------- syz-executor6/6898 is freeing memory ffff88006286cac0-ffff88006286d3b7, with a lock still held there! (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] spin_lock include/linux/spinlock.h:299 [inline] (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] sk_clone_lock+0x3d9/0x12c0 net/core/sock.c:1504 5 locks held by syz-executor6/6898: #0: (sk_lock-AF_INET6){+.+.+.}, at: [<ffffffff839a34b4>] lock_sock include/net/sock.h:1460 [inline] #0: (sk_lock-AF_INET6){+.+.+.}, at: [<ffffffff839a34b4>] inet_stream_connect+0x44/0xa0 net/ipv4/af_inet.c:681 raspberrypi#1: (rcu_read_lock){......}, at: [<ffffffff83bc1c2a>] inet6_csk_xmit+0x12a/0x5d0 net/ipv6/inet6_connection_sock.c:126 raspberrypi#2: (rcu_read_lock){......}, at: [<ffffffff8369b424>] __skb_unlink include/linux/skbuff.h:1767 [inline] raspberrypi#2: (rcu_read_lock){......}, at: [<ffffffff8369b424>] __skb_dequeue include/linux/skbuff.h:1783 [inline] raspberrypi#2: (rcu_read_lock){......}, at: [<ffffffff8369b424>] process_backlog+0x264/0x730 net/core/dev.c:4835 raspberrypi#3: (rcu_read_lock){......}, at: [<ffffffff83aeb5c0>] ip6_input_finish+0x0/0x1700 net/ipv6/ip6_input.c:59 raspberrypi#4: (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] spin_lock include/linux/spinlock.h:299 [inline] raspberrypi#4: (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] sk_clone_lock+0x3d9/0x12c0 net/core/sock.c:1504 Fix it just like was done by b0691c8 ("net: Unlock sock before calling sk_free()"). Reported-by: Dmitry Vyukov <[email protected]> Cc: Cong Wang <[email protected]> Cc: Eric Dumazet <[email protected]> Cc: Gerrit Renker <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
popcornmix
pushed a commit
that referenced
this pull request
Mar 23, 2017
[ Upstream commit d5afb6f ] The code where sk_clone() came from created a new socket and locked it, but then, on the error path didn't unlock it. This problem stayed there for a long while, till b0691c8 ("net: Unlock sock before calling sk_free()") fixed it, but unfortunately the callers of sk_clone() (now sk_clone_locked()) were not audited and the one in dccp_create_openreq_child() remained. Now in the age of the syskaller fuzzer, this was finally uncovered, as reported by Dmitry: ---- 8< ---- I've got the following report while running syzkaller fuzzer on 86292b3 ("Merge branch 'akpm' (patches from Andrew)") [ BUG: held lock freed! ] 4.10.0+ #234 Not tainted ------------------------- syz-executor6/6898 is freeing memory ffff88006286cac0-ffff88006286d3b7, with a lock still held there! (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] spin_lock include/linux/spinlock.h:299 [inline] (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] sk_clone_lock+0x3d9/0x12c0 net/core/sock.c:1504 5 locks held by syz-executor6/6898: #0: (sk_lock-AF_INET6){+.+.+.}, at: [<ffffffff839a34b4>] lock_sock include/net/sock.h:1460 [inline] #0: (sk_lock-AF_INET6){+.+.+.}, at: [<ffffffff839a34b4>] inet_stream_connect+0x44/0xa0 net/ipv4/af_inet.c:681 #1: (rcu_read_lock){......}, at: [<ffffffff83bc1c2a>] inet6_csk_xmit+0x12a/0x5d0 net/ipv6/inet6_connection_sock.c:126 #2: (rcu_read_lock){......}, at: [<ffffffff8369b424>] __skb_unlink include/linux/skbuff.h:1767 [inline] #2: (rcu_read_lock){......}, at: [<ffffffff8369b424>] __skb_dequeue include/linux/skbuff.h:1783 [inline] #2: (rcu_read_lock){......}, at: [<ffffffff8369b424>] process_backlog+0x264/0x730 net/core/dev.c:4835 #3: (rcu_read_lock){......}, at: [<ffffffff83aeb5c0>] ip6_input_finish+0x0/0x1700 net/ipv6/ip6_input.c:59 #4: (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] spin_lock include/linux/spinlock.h:299 [inline] #4: (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] sk_clone_lock+0x3d9/0x12c0 net/core/sock.c:1504 Fix it just like was done by b0691c8 ("net: Unlock sock before calling sk_free()"). Reported-by: Dmitry Vyukov <[email protected]> Cc: Cong Wang <[email protected]> Cc: Eric Dumazet <[email protected]> Cc: Gerrit Renker <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
popcornmix
pushed a commit
that referenced
this pull request
Mar 23, 2017
[ Upstream commit d5afb6f ] The code where sk_clone() came from created a new socket and locked it, but then, on the error path didn't unlock it. This problem stayed there for a long while, till b0691c8 ("net: Unlock sock before calling sk_free()") fixed it, but unfortunately the callers of sk_clone() (now sk_clone_locked()) were not audited and the one in dccp_create_openreq_child() remained. Now in the age of the syskaller fuzzer, this was finally uncovered, as reported by Dmitry: ---- 8< ---- I've got the following report while running syzkaller fuzzer on 86292b3 ("Merge branch 'akpm' (patches from Andrew)") [ BUG: held lock freed! ] 4.10.0+ #234 Not tainted ------------------------- syz-executor6/6898 is freeing memory ffff88006286cac0-ffff88006286d3b7, with a lock still held there! (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] spin_lock include/linux/spinlock.h:299 [inline] (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] sk_clone_lock+0x3d9/0x12c0 net/core/sock.c:1504 5 locks held by syz-executor6/6898: #0: (sk_lock-AF_INET6){+.+.+.}, at: [<ffffffff839a34b4>] lock_sock include/net/sock.h:1460 [inline] #0: (sk_lock-AF_INET6){+.+.+.}, at: [<ffffffff839a34b4>] inet_stream_connect+0x44/0xa0 net/ipv4/af_inet.c:681 #1: (rcu_read_lock){......}, at: [<ffffffff83bc1c2a>] inet6_csk_xmit+0x12a/0x5d0 net/ipv6/inet6_connection_sock.c:126 #2: (rcu_read_lock){......}, at: [<ffffffff8369b424>] __skb_unlink include/linux/skbuff.h:1767 [inline] #2: (rcu_read_lock){......}, at: [<ffffffff8369b424>] __skb_dequeue include/linux/skbuff.h:1783 [inline] #2: (rcu_read_lock){......}, at: [<ffffffff8369b424>] process_backlog+0x264/0x730 net/core/dev.c:4835 #3: (rcu_read_lock){......}, at: [<ffffffff83aeb5c0>] ip6_input_finish+0x0/0x1700 net/ipv6/ip6_input.c:59 #4: (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] spin_lock include/linux/spinlock.h:299 [inline] #4: (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] sk_clone_lock+0x3d9/0x12c0 net/core/sock.c:1504 Fix it just like was done by b0691c8 ("net: Unlock sock before calling sk_free()"). Reported-by: Dmitry Vyukov <[email protected]> Cc: Cong Wang <[email protected]> Cc: Eric Dumazet <[email protected]> Cc: Gerrit Renker <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
dlech
pushed a commit
to ev3dev/rpi-kernel
that referenced
this pull request
Apr 14, 2017
[ Upstream commit d5afb6f ] The code where sk_clone() came from created a new socket and locked it, but then, on the error path didn't unlock it. This problem stayed there for a long while, till b0691c8 ("net: Unlock sock before calling sk_free()") fixed it, but unfortunately the callers of sk_clone() (now sk_clone_locked()) were not audited and the one in dccp_create_openreq_child() remained. Now in the age of the syskaller fuzzer, this was finally uncovered, as reported by Dmitry: ---- 8< ---- I've got the following report while running syzkaller fuzzer on 86292b3 ("Merge branch 'akpm' (patches from Andrew)") [ BUG: held lock freed! ] 4.10.0+ raspberrypi#234 Not tainted ------------------------- syz-executor6/6898 is freeing memory ffff88006286cac0-ffff88006286d3b7, with a lock still held there! (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] spin_lock include/linux/spinlock.h:299 [inline] (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] sk_clone_lock+0x3d9/0x12c0 net/core/sock.c:1504 5 locks held by syz-executor6/6898: #0: (sk_lock-AF_INET6){+.+.+.}, at: [<ffffffff839a34b4>] lock_sock include/net/sock.h:1460 [inline] #0: (sk_lock-AF_INET6){+.+.+.}, at: [<ffffffff839a34b4>] inet_stream_connect+0x44/0xa0 net/ipv4/af_inet.c:681 #1: (rcu_read_lock){......}, at: [<ffffffff83bc1c2a>] inet6_csk_xmit+0x12a/0x5d0 net/ipv6/inet6_connection_sock.c:126 raspberrypi#2: (rcu_read_lock){......}, at: [<ffffffff8369b424>] __skb_unlink include/linux/skbuff.h:1767 [inline] raspberrypi#2: (rcu_read_lock){......}, at: [<ffffffff8369b424>] __skb_dequeue include/linux/skbuff.h:1783 [inline] raspberrypi#2: (rcu_read_lock){......}, at: [<ffffffff8369b424>] process_backlog+0x264/0x730 net/core/dev.c:4835 raspberrypi#3: (rcu_read_lock){......}, at: [<ffffffff83aeb5c0>] ip6_input_finish+0x0/0x1700 net/ipv6/ip6_input.c:59 raspberrypi#4: (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] spin_lock include/linux/spinlock.h:299 [inline] raspberrypi#4: (slock-AF_INET6){+.-...}, at: [<ffffffff8362c2c9>] sk_clone_lock+0x3d9/0x12c0 net/core/sock.c:1504 Fix it just like was done by b0691c8 ("net: Unlock sock before calling sk_free()"). Reported-by: Dmitry Vyukov <[email protected]> Cc: Cong Wang <[email protected]> Cc: Eric Dumazet <[email protected]> Cc: Gerrit Renker <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
popcornmix
pushed a commit
that referenced
this pull request
Dec 16, 2024
David reported that the new warning from setattr_copy_mgtime is coming like the following. [ 113.215316] ------------[ cut here ]------------ [ 113.215974] WARNING: CPU: 1 PID: 31 at fs/attr.c:300 setattr_copy+0x1ee/0x200 [ 113.219192] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:1 Not tainted 6.13.0-rc1+ #234 [ 113.220127] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.2-3-gd478f380-rebuilt.opensuse.org 04/01/2014 [ 113.221530] Workqueue: ksmbd-io handle_ksmbd_work [ksmbd] [ 113.222220] RIP: 0010:setattr_copy+0x1ee/0x200 [ 113.222833] Code: 24 28 49 8b 44 24 30 48 89 53 58 89 43 6c 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 48 89 df e8 77 d6 ff ff e9 cd fe ff ff <0f> 0b e9 be fe ff ff 66 0 [ 113.225110] RSP: 0018:ffffaf218010fb68 EFLAGS: 00010202 [ 113.225765] RAX: 0000000000000120 RBX: ffffa446815f8568 RCX: 0000000000000003 [ 113.226667] RDX: ffffaf218010fd38 RSI: ffffa446815f8568 RDI: ffffffff94eb03a0 [ 113.227531] RBP: ffffaf218010fb90 R08: 0000001a251e217d R09: 00000000675259fa [ 113.228426] R10: 0000000002ba8a6d R11: ffffa4468196c7a8 R12: ffffaf218010fd38 [ 113.229304] R13: 0000000000000120 R14: ffffffff94eb03a0 R15: 0000000000000000 [ 113.230210] FS: 0000000000000000(0000) GS:ffffa44739d00000(0000) knlGS:0000000000000000 [ 113.231215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.232055] CR2: 00007efe0053d27e CR3: 000000000331a000 CR4: 00000000000006b0 [ 113.232926] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 113.233812] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 113.234797] Call Trace: [ 113.235116] <TASK> [ 113.235393] ? __warn+0x73/0xd0 [ 113.235802] ? setattr_copy+0x1ee/0x200 [ 113.236299] ? report_bug+0xf3/0x1e0 [ 113.236757] ? handle_bug+0x4d/0x90 [ 113.237202] ? exc_invalid_op+0x13/0x60 [ 113.237689] ? asm_exc_invalid_op+0x16/0x20 [ 113.238185] ? setattr_copy+0x1ee/0x200 [ 113.238692] btrfs_setattr+0x80/0x820 [btrfs] [ 113.239285] ? get_stack_info_noinstr+0x12/0xf0 [ 113.239857] ? __module_address+0x22/0xa0 [ 113.240368] ? handle_ksmbd_work+0x6e/0x460 [ksmbd] [ 113.240993] ? __module_text_address+0x9/0x50 [ 113.241545] ? __module_address+0x22/0xa0 [ 113.242033] ? unwind_next_frame+0x10e/0x920 [ 113.242600] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 113.243268] notify_change+0x2c2/0x4e0 [ 113.243746] ? stack_depot_save_flags+0x27/0x730 [ 113.244339] ? set_file_basic_info+0x130/0x2b0 [ksmbd] [ 113.244993] set_file_basic_info+0x130/0x2b0 [ksmbd] [ 113.245613] ? process_scheduled_works+0xbe/0x310 [ 113.246181] ? worker_thread+0x100/0x240 [ 113.246696] ? kthread+0xc8/0x100 [ 113.247126] ? ret_from_fork+0x2b/0x40 [ 113.247606] ? ret_from_fork_asm+0x1a/0x30 [ 113.248132] smb2_set_info+0x63f/0xa70 [ksmbd] ksmbd is trying to set the atime and mtime via notify_change without also setting the ctime. so This patch add ATTR_CTIME flags when setting mtime to avoid a warning. Reported-by: David Disseldorp <[email protected]> Signed-off-by: Namjae Jeon <[email protected]> Signed-off-by: Steve French <[email protected]>
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arch/arm/boot/compressed/decompress.c:
without this line, it could not be possible to build a kernel using XZ compression.
gcc [...] arch/arm/boot/compressed/decompress.c
In file included from include/linux/kernel.h:23:0,
from arch/arm/boot/compressed/../../../../lib/xz/xz_private.h:15,
from arch/arm/boot/compressed/../../../../lib/decompress_unxz.c:145,
from arch/arm/boot/compressed/decompress.c:51:
include/linux/dynamic_debug.h: In function ‘ddebug_dyndbg_module_param_cb’:
include/linux/dynamic_debug.h:111:2: erreur: implicit declaration of function ‘strstr’ [-Werror=implicit-function-declaration]
if (strstr(param, "dyndbg")) {
^
cc1: some warnings being treated as errors