Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
android-5-15 | BUG: soft lockup in __cleanup_mnt | 1 | 73d | 73d | 0/2 | premoderation: reported on 2024/06/26 15:48 |
syzbot |
sign-in | mailing list | source | docs |
watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [syz-executor:6289] Modules linked in: irq event stamp: 1034258 hardirqs last enabled at (1034257): [<ffff8000803cae50>] __call_rcu_common kernel/rcu/tree.c:3094 [inline] hardirqs last enabled at (1034257): [<ffff8000803cae50>] call_rcu+0x648/0xb08 kernel/rcu/tree.c:3176 hardirqs last disabled at (1034258): [<ffff80008afc1a54>] __el1_irq arch/arm64/kernel/entry-common.c:533 [inline] hardirqs last disabled at (1034258): [<ffff80008afc1a54>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:551 softirqs last enabled at (997786): [<ffff80008003067c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (997784): [<ffff800080030648>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 CPU: 1 PID: 6289 Comm: syz-executor Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : arch_local_irq_restore+0x8/0xc arch/arm64/include/asm/irqflags.h:197 lr : lock_is_held_type+0x150/0x1a8 kernel/locking/lockdep.c:5827 sp : ffff80009a8675c0 x29: ffff80009a8675c0 x28: 1fffe00019820922 x27: 0000000000000008 x26: ffff0000d8a73c80 x25: ffff80008f047000 x24: 00007dfe9aa1c3a0 x23: fffffdffbf75e3a4 x22: ffff0000d8a73c80 x21: ffff80008f2d7ac0 x20: 0000000000000000 x19: 0000000000000000 x18: ffff80009a867180 x17: 0000000000030dac x16: ffff80008032b884 x15: 0000000000000001 x14: ffff80008f100568 x13: dfff800000000000 x12: 000000002d2a6f2c x11: 0000000000000003 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : 00000000000000c0 x7 : ffff800080c518e0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 x2 : 0000000000000000 x1 : 0000000000000080 x0 : 0000000000000000 Call trace: __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline] arch_local_irq_restore+0x8/0xc arch/arm64/include/asm/irqflags.h:195 lock_is_held include/linux/lockdep.h:231 [inline] __might_resched+0x48/0x4d0 kernel/sched/core.c:10158 __might_sleep+0x90/0xe4 kernel/sched/core.c:10125 dput+0x34/0x290 fs/dcache.c:840 cleanup_mnt+0x330/0x3dc fs/namespace.c:1266 __cleanup_mnt+0x20/0x30 fs/namespace.c:1274 task_work_run+0x230/0x2e0 kernel/task_work.c:180 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x4e4/0x1ac8 kernel/exit.c:876 do_group_exit+0x194/0x22c kernel/exit.c:1025 get_signal+0x1414/0x1530 kernel/signal.c:2909 do_signal+0x238/0x2924 arch/arm64/kernel/signal.c:1308 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:713 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 8087 Comm: syz-executor Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : check_kcov_mode kernel/kcov.c:175 [inline] pc : write_comp_data kernel/kcov.c:236 [inline] pc : __sanitizer_cov_trace_const_cmp8+0x34/0x80 kernel/kcov.c:311 lr : generic_test_bit include/asm-generic/bitops/generic-non-atomic.h:128 [inline] lr : folio_test_unevictable include/linux/page-flags.h:596 [inline] lr : folio_mark_accessed+0xfc/0x6a4 mm/swap.c:472 sp : ffff8000a00b6f70 x29: ffff8000a00b6f80 x28: 0000000000000000 x27: 1fffffbff86ed168 x26: 1fffffbff86ed169 x25: dfff800000000000 x24: dfff800000000000 x23: 1fffe0001b193b6e x22: 0000000000000000 x21: 05ffc0000000512c x20: fffffdffc3768b48 x19: fffffdffc3768b40 x18: ffff0001fea899d0 x17: ffff80008f0fd000 x16: ffff800082f8f174 x15: 0000000000000001 x14: 1fffe000180e5a2d x13: 0000000000000000 x12: 0000000000000000 x11: ffff6000180e5a2e x10: 0000000000ff0100 x9 : 0000000000000001 x8 : ffff0000d26d0000 x7 : ffff800080af3b10 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800080af4310 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: check_kcov_mode kernel/kcov.c:173 [inline] write_comp_data kernel/kcov.c:236 [inline] __sanitizer_cov_trace_const_cmp8+0x34/0x80 kernel/kcov.c:311 zap_present_folio_ptes mm/memory.c:1490 [inline] zap_present_ptes mm/memory.c:1564 [inline] zap_pte_range mm/memory.c:1606 [inline] zap_pmd_range mm/memory.c:1724 [inline] zap_pud_range mm/memory.c:1753 [inline] zap_p4d_range mm/memory.c:1774 [inline] unmap_page_range+0x1b90/0x2e58 mm/memory.c:1795 unmap_single_vma mm/memory.c:1841 [inline] unmap_vmas+0x378/0x598 mm/memory.c:1885 exit_mmap+0x1cc/0xcb8 mm/mmap.c:3341 __mmput+0xec/0x390 kernel/fork.c:1346 mmput+0x70/0xac kernel/fork.c:1368 exit_mm+0x148/0x210 kernel/exit.c:567 do_exit+0x468/0x1ac8 kernel/exit.c:863 do_group_exit+0x194/0x22c kernel/exit.c:1025 get_signal+0x1414/0x1530 kernel/signal.c:2909 do_signal+0x238/0x2924 arch/arm64/kernel/signal.c:1308 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:713 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/07/15 11:05 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | c912bf709078 | c605e6a2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | BUG: soft lockup in __cleanup_mnt |