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================================================================== BUG: KASAN: null-ptr-deref in instrument_atomic_write include/linux/instrumented.h:86 [inline] BUG: KASAN: null-ptr-deref in clear_bit include/asm-generic/bitops/instrumented-atomic.h:41 [inline] BUG: KASAN: null-ptr-deref in kcm_tx_work+0xff/0x160 net/kcm/kcmsock.c:742 Write of size 8 at addr 0000000000000008 by task kworker/u4:1/11 CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted 5.19.0-rc3-syzkaller-00038-gca1fdab7fd27 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: kkcmd kcm_tx_work Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_report mm/kasan/report.c:432 [inline] kasan_report.cold+0x61/0x1c6 mm/kasan/report.c:491 check_region_inline mm/kasan/generic.c:183 [inline] kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189 instrument_atomic_write include/linux/instrumented.h:86 [inline] clear_bit include/asm-generic/bitops/instrumented-atomic.h:41 [inline] kcm_tx_work+0xff/0x160 net/kcm/kcmsock.c:742 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> ================================================================== Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted 5.19.0-rc3-syzkaller-00038-gca1fdab7fd27 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: kkcmd kcm_tx_work Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 panic+0x2d7/0x64a kernel/panic.c:274 end_report.part.0+0x3f/0x7c mm/kasan/report.c:168 end_report include/trace/events/error_report.h:69 [inline] kasan_report.cold+0x93/0x1c6 mm/kasan/report.c:493 check_region_inline mm/kasan/generic.c:183 [inline] kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189 instrument_atomic_write include/linux/instrumented.h:86 [inline] clear_bit include/asm-generic/bitops/instrumented-atomic.h:41 [inline] kcm_tx_work+0xff/0x160 net/kcm/kcmsock.c:742 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> Kernel Offset: disabled Rebooting in 86400 seconds..
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/06/22 19:04 | upstream | ca1fdab7fd27 | 0fc5c330 | .config | console log | report | syz | C | ci-upstream-kasan-gce | KASAN: null-ptr-deref Write in kcm_tx_work | ||
2022/09/30 23:58 | net-next-old | 0f5ef005310d | feb56351 | .config | console log | report | syz | C | ci-upstream-net-kasan-gce | KASAN: null-ptr-deref Write in kcm_tx_work | ||
2022/06/22 01:35 | linux-next | 34d1d36073ea | 0fc5c330 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in kcm_tx_work | ||
2022/07/07 18:42 | net-old | 07266d066301 | bff65f44 | .config | console log | report | info | ci-upstream-net-this-kasan-gce | KASAN: null-ptr-deref Write in kcm_tx_work | |||
2022/09/30 22:14 | net-next-old | 0f5ef005310d | feb56351 | .config | console log | report | info | ci-upstream-net-kasan-gce | KASAN: null-ptr-deref Write in kcm_tx_work | |||
2022/07/12 03:57 | net-next-old | edb2c3476db9 | da3d6955 | .config | console log | report | info | ci-upstream-net-kasan-gce | KASAN: null-ptr-deref Write in kcm_tx_work | |||
2022/06/21 23:29 | linux-next | 34d1d36073ea | 0fc5c330 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in kcm_tx_work |