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[syzbot] [kernel?] BUG: unable to handle kernel paging request in find_lock_lowest_rq | 0 (1) | 2024/07/31 23:30 |
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[syzbot] [kernel?] BUG: unable to handle kernel paging request in find_lock_lowest_rq | 0 (1) | 2024/07/31 23:30 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | WARNING: locking bug in find_lock_lowest_rq ext4 | C | error | 63 | 3d06h | 227d | 0/28 | upstream: reported C repro on 2024/04/25 01:07 |
BUG: unable to handle page fault for address: fffffbfff46e6b93 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 23ffe4067 P4D 23ffe4067 PUD 23ffe3067 PMD 0 Oops: Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 11884 Comm: syz.4.1876 Not tainted 6.12.0-syzkaller-07749-g28eb75e178d3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:87 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP: 0010:kasan_check_range+0x82/0x290 mm/kasan/generic.c:189 Code: 01 00 00 00 00 fc ff df 4f 8d 3c 31 4c 89 fd 4c 29 dd 48 83 fd 10 7f 29 48 85 ed 0f 84 3e 01 00 00 4c 89 cd 48 f7 d5 48 01 dd <41> 80 3b 00 0f 85 c9 01 00 00 49 ff c3 48 ff c5 75 ee e9 1e 01 00 RSP: 0018:ffffc90004297800 EFLAGS: 00010086 RAX: 0000000001e89001 RBX: 1ffffffff46e6b93 RCX: ffffffff81709eb4 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffffa3735c98 RBP: ffffffffffffffff R08: ffffffffa3735c9f R09: 1ffffffff46e6b93 R10: dffffc0000000000 R11: fffffbfff46e6b93 R12: ffff88802859e4c4 R13: ffff88802859da00 R14: dffffc0000000001 R15: fffffbfff46e6b94 FS: 00005555952cb500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff46e6b93 CR3: 000000007dca8000 CR4: 0000000000350ef0 Call Trace: <TASK> instrument_atomic_read include/linux/instrumented.h:68 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] __lock_acquire+0xc94/0x2100 kernel/locking/lockdep.c:5196 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598 _double_lock_balance kernel/sched/sched.h:2980 [inline] double_lock_balance kernel/sched/sched.h:3025 [inline] find_lock_lowest_rq+0x1e1/0x670 kernel/sched/rt.c:1914 push_rt_task+0x144/0x790 kernel/sched/rt.c:2048 push_rt_tasks kernel/sched/rt.c:2096 [inline] task_woken_rt+0x14c/0x220 kernel/sched/rt.c:2394 ttwu_do_activate+0x30c/0x760 kernel/sched/core.c:3732 ttwu_queue kernel/sched/core.c:3993 [inline] try_to_wake_up+0x89b/0x1470 kernel/sched/core.c:4321 signal_wake_up_state+0xb4/0x120 kernel/signal.c:733 signal_wake_up include/linux/sched/signal.h:445 [inline] zap_other_threads+0x2fd/0x3e0 kernel/signal.c:1351 do_group_exit+0x18a/0x2c0 kernel/exit.c:1082 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096 x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2ddb57e819 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd43758048 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2ddb57e819 RDX: 00007f2dda3f9000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffd4375809c R08: 00007ffd4375812f R09: 0000000000093e6d R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 R13: 0000000000093e6d R14: 0000000000093de7 R15: 00007ffd437580f0 </TASK> Modules linked in: CR2: fffffbfff46e6b93 ---[ end trace 0000000000000000 ]--- RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:87 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP: 0010:kasan_check_range+0x82/0x290 mm/kasan/generic.c:189 Code: 01 00 00 00 00 fc ff df 4f 8d 3c 31 4c 89 fd 4c 29 dd 48 83 fd 10 7f 29 48 85 ed 0f 84 3e 01 00 00 4c 89 cd 48 f7 d5 48 01 dd <41> 80 3b 00 0f 85 c9 01 00 00 49 ff c3 48 ff c5 75 ee e9 1e 01 00 RSP: 0018:ffffc90004297800 EFLAGS: 00010086 RAX: 0000000001e89001 RBX: 1ffffffff46e6b93 RCX: ffffffff81709eb4 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffffa3735c98 RBP: ffffffffffffffff R08: ffffffffa3735c9f R09: 1ffffffff46e6b93 R10: dffffc0000000000 R11: fffffbfff46e6b93 R12: ffff88802859e4c4 R13: ffff88802859da00 R14: dffffc0000000001 R15: fffffbfff46e6b94 FS: 00005555952cb500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff46e6b93 CR3: 000000007dca8000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess), 7 bytes skipped: 0: df 4f 8d fisttps -0x73(%rdi) 3: 3c 31 cmp $0x31,%al 5: 4c 89 fd mov %r15,%rbp 8: 4c 29 dd sub %r11,%rbp b: 48 83 fd 10 cmp $0x10,%rbp f: 7f 29 jg 0x3a 11: 48 85 ed test %rbp,%rbp 14: 0f 84 3e 01 00 00 je 0x158 1a: 4c 89 cd mov %r9,%rbp 1d: 48 f7 d5 not %rbp 20: 48 01 dd add %rbx,%rbp * 23: 41 80 3b 00 cmpb $0x0,(%r11) <-- trapping instruction 27: 0f 85 c9 01 00 00 jne 0x1f6 2d: 49 ff c3 inc %r11 30: 48 ff c5 inc %rbp 33: 75 ee jne 0x23 35: e9 .byte 0xe9 36: 1e (bad) 37: 01 00 add %eax,(%rax)
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/11/22 20:27 | upstream | 28eb75e178d3 | 68da6d95 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | BUG: unable to handle kernel paging request in find_lock_lowest_rq | ||
2024/08/29 12:39 | upstream | 928f79a188aa | ef3de9e8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | BUG: unable to handle kernel paging request in find_lock_lowest_rq | ||
2024/07/31 08:29 | upstream | 22f546873149 | 6fde257d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | BUG: unable to handle kernel paging request in find_lock_lowest_rq | ||
2024/07/18 09:12 | upstream | b1bc554e009e | 03114f55 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | BUG: unable to handle kernel paging request in find_lock_lowest_rq | ||
2024/06/30 02:14 | upstream | 8282d5af7be8 | 757f06b1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | BUG: unable to handle kernel paging request in find_lock_lowest_rq | ||
2024/06/06 00:45 | upstream | 71d7b52cc33b | 121701b6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | BUG: unable to handle kernel paging request in find_lock_lowest_rq | ||
2024/11/19 01:19 | upstream | adc218676eef | 571351cb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | KASAN: wild-memory-access Read in find_lock_lowest_rq | ||
2024/11/15 13:42 | upstream | cfaaa7d010d1 | f6ede3a3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | KASAN: wild-memory-access Read in find_lock_lowest_rq | ||
2024/11/12 10:58 | upstream | 2d5404caa8c7 | 75bb1b32 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | KASAN: wild-memory-access Read in find_lock_lowest_rq | ||
2024/11/07 04:09 | upstream | 7758b206117d | df3dc63b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | KASAN: wild-memory-access Read in find_lock_lowest_rq | ||
2024/11/06 18:33 | upstream | 2e1b3cc9d7f7 | 3a465482 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | KASAN: wild-memory-access Read in find_lock_lowest_rq | ||
2024/08/17 14:25 | upstream | e5fa841af679 | dbc93b08 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | KASAN: wild-memory-access Read in find_lock_lowest_rq | ||
2024/07/31 23:29 | upstream | e4fc196f5ba3 | 1e9c4cf3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | KASAN: wild-memory-access Read in find_lock_lowest_rq |