./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2764780012
<...>
DUID 00:04:53:46:a9:9d:03:7a:46:b2:48:ff:4a:ea:3f:46:f2:43
forked to background, child pid 4817
[ 28.850155][ T4818] 8021q: adding VLAN 0 to HW filter on device bond0
[ 28.867181][ T4818] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.56' (ECDSA) to the list of known hosts.
execve("./syz-executor2764780012", ["./syz-executor2764780012"], 0x7ffc418dc850 /* 10 vars */) = 0
brk(NULL) = 0x555556387000
brk(0x555556387c40) = 0x555556387c40
arch_prctl(ARCH_SET_FS, 0x555556387300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor2764780012", 4096) = 28
brk(0x5555563a8c40) = 0x5555563a8c40
brk(0x5555563a9000) = 0x5555563a9000
mprotect(0x7f545e697000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
openat(AT_FDCWD, "/proc/self/smaps", O_RDWR) = 3
syzkaller login: [ 51.307814][ T5239] ------------[ cut here ]------------
[ 51.313440][ T5239] WARNING: CPU: 0 PID: 5239 at include/linux/mmap_lock.h:155 anon_vma_name+0x11c/0x170
[ 51.323518][ T5239] Modules linked in:
[ 51.327425][ T5239] CPU: 1 PID: 5239 Comm: syz-executor276 Not tainted 6.1.0-rc4-next-20221111-syzkaller #0
[ 51.337368][ T5239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 51.347459][ T5239] RIP: 0010:anon_vma_name+0x11c/0x170
[ 51.352966][ T5239] Code: 8d bd 58 01 00 00 be ff ff ff ff e8 1e fc e0 07 31 ff 41 89 c4 89 c6 e8 c2 27 bc ff 45 85 e4 0f 85 5c ff ff ff e8 e4 2a bc ff <0f> 0b e9 50 ff ff ff e8 d8 2a bc ff 48 89 ef e8 00 e7 f2 ff 0f 0b
[ 51.372642][ T5239] RSP: 0018:ffffc90003c7f810 EFLAGS: 00010293
[ 51.378733][ T5239] RAX: 0000000000000000 RBX: ffffffff8b9ae000 RCX: 0000000000000000
[ 51.387040][ T5239] RDX: ffff88801d5fba80 RSI: ffffffff81c0a28c RDI: 0000000000000005
[ 51.395081][ T5239] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
[ 51.403094][ T5239] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 51.411074][ T5239] R13: ffffffff8b9ae008 R14: ffffffff8b9ae010 R15: 0000000000000000
[ 51.419108][ T5239] FS: 0000555556387300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 51.428074][ T5239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 51.434708][ T5239] CR2: 000000000061ba0c CR3: 000000007d6c4000 CR4: 00000000003506e0
[ 51.442714][ T5239] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 51.450675][ T5239] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 51.458696][ T5239] Call Trace:
[ 51.461977][ T5239]
[ 51.464950][ T5239] ? 0xffffffffff600000
[ 51.469129][ T5239] show_map_vma+0x22d/0x620
[ 51.473693][ T5239] ? smap_gather_stats.part.0+0x142/0x250
[ 51.479437][ T5239] show_smap+0xe4/0x490
[ 51.483687][ T5239] ? smap_gather_stats.part.0+0x250/0x250
[ 51.489449][ T5239] ? mas_next_nentry+0x610/0xab0
[ 51.494664][ T5239] ? mas_next_node+0x547/0xa00
[ 51.499466][ T5239] traverse.part.0+0xcf/0x5f0
[ 51.504222][ T5239] seq_read_iter+0x90f/0x1280
[ 51.508951][ T5239] seq_read+0x16d/0x210
[ 51.513161][ T5239] ? seq_read_iter+0x1280/0x1280
[ 51.518111][ T5239] ? security_file_permission+0xab/0xd0
[ 51.523982][ T5239] do_iter_read+0x4f8/0x750
[ 51.528521][ T5239] vfs_readv+0xe5/0x150
[ 51.532739][ T5239] ? vfs_iter_read+0xa0/0xa0
[ 51.537347][ T5239] ? do_raw_spin_lock+0x120/0x2a0
[ 51.542364][ T5239] ? rwlock_bug.part.0+0x90/0x90
[ 51.547340][ T5239] ? _raw_spin_lock_irq+0x41/0x50
[ 51.552381][ T5239] ? find_held_lock+0x2d/0x110
[ 51.557228][ T5239] ? ptrace_notify+0xfa/0x140
[ 51.561893][ T5239] ? lock_downgrade+0x6e0/0x6e0
[ 51.566791][ T5239] __x64_sys_preadv+0x22b/0x310
[ 51.571653][ T5239] ? __ia32_sys_writev+0xb0/0xb0
[ 51.576648][ T5239] ? lockdep_hardirqs_on+0x79/0x100
[ 51.581872][ T5239] ? _raw_spin_unlock_irq+0x2a/0x40
[ 51.587121][ T5239] ? ptrace_notify+0xfa/0x140
[ 51.591811][ T5239] do_syscall_64+0x35/0xb0
[ 51.596286][ T5239] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 51.602199][ T5239] RIP: 0033:0x7f545e62b239
[ 51.606651][ T5239] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48
[ 51.626309][ T5239] RSP: 002b:00007ffed9c02fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
[ 51.634780][ T5239] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f545e62b239
[ 51.642861][ T5239] RDX: 0000000000000001 RSI: 00000000200006c0 RDI: 0000000000000003
[ 51.650854][ T5239] RBP: 00007ffed9c02ff0 R08: 0000000000000000 R09: 65732f636f72702f
[ 51.658858][ T5239] R10: 00000000fffffffe R11: 0000000000000246 R12: 00007f545e5ef120
[ 51.666915][ T5239] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 51.675027][ T5239]
[ 51.678056][ T5239] Kernel panic - not syncing: panic_on_warn set ...
[ 51.684627][ T5239] CPU: 1 PID: 5239 Comm: syz-executor276 Not tainted 6.1.0-rc4-next-20221111-syzkaller #0
[ 51.694497][ T5239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 51.704539][ T5239] Call Trace:
[ 51.707808][ T5239]
[ 51.710728][ T5239] dump_stack_lvl+0xcd/0x134
[ 51.715318][ T5239] panic+0x2c8/0x622
[ 51.719202][ T5239] ? panic_print_sys_info.part.0+0x110/0x110
[ 51.725176][ T5239] ? __warn.cold+0x24b/0x350
[ 51.729825][ T5239] ? anon_vma_name+0x11c/0x170
[ 51.734584][ T5239] __warn.cold+0x25c/0x350
[ 51.739076][ T5239] ? anon_vma_name+0x11c/0x170
[ 51.743831][ T5239] report_bug+0x1bc/0x210
[ 51.748158][ T5239] handle_bug+0x3c/0x70
[ 51.752304][ T5239] exc_invalid_op+0x14/0x40
[ 51.756808][ T5239] asm_exc_invalid_op+0x16/0x20
[ 51.761668][ T5239] RIP: 0010:anon_vma_name+0x11c/0x170
[ 51.767054][ T5239] Code: 8d bd 58 01 00 00 be ff ff ff ff e8 1e fc e0 07 31 ff 41 89 c4 89 c6 e8 c2 27 bc ff 45 85 e4 0f 85 5c ff ff ff e8 e4 2a bc ff <0f> 0b e9 50 ff ff ff e8 d8 2a bc ff 48 89 ef e8 00 e7 f2 ff 0f 0b
[ 51.786661][ T5239] RSP: 0018:ffffc90003c7f810 EFLAGS: 00010293
[ 51.792728][ T5239] RAX: 0000000000000000 RBX: ffffffff8b9ae000 RCX: 0000000000000000
[ 51.800707][ T5239] RDX: ffff88801d5fba80 RSI: ffffffff81c0a28c RDI: 0000000000000005
[ 51.808676][ T5239] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
[ 51.816648][ T5239] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 51.824622][ T5239] R13: ffffffff8b9ae008 R14: ffffffff8b9ae010 R15: 0000000000000000
[ 51.832607][ T5239] ? anon_vma_name+0x11c/0x170
[ 51.837385][ T5239] ? 0xffffffffff600000
[ 51.841538][ T5239] show_map_vma+0x22d/0x620
[ 51.846050][ T5239] ? smap_gather_stats.part.0+0x142/0x250
[ 51.851777][ T5239] show_smap+0xe4/0x490
[ 51.855939][ T5239] ? smap_gather_stats.part.0+0x250/0x250
[ 51.861663][ T5239] ? mas_next_nentry+0x610/0xab0
[ 51.866612][ T5239] ? mas_next_node+0x547/0xa00
[ 51.871408][ T5239] traverse.part.0+0xcf/0x5f0
[ 51.876104][ T5239] seq_read_iter+0x90f/0x1280
[ 51.880802][ T5239] seq_read+0x16d/0x210
[ 51.884968][ T5239] ? seq_read_iter+0x1280/0x1280
[ 51.889927][ T5239] ? security_file_permission+0xab/0xd0
[ 51.895493][ T5239] do_iter_read+0x4f8/0x750
[ 51.900017][ T5239] vfs_readv+0xe5/0x150
[ 51.904186][ T5239] ? vfs_iter_read+0xa0/0xa0
[ 51.908785][ T5239] ? do_raw_spin_lock+0x120/0x2a0
[ 51.913815][ T5239] ? rwlock_bug.part.0+0x90/0x90
[ 51.918758][ T5239] ? _raw_spin_lock_irq+0x41/0x50
[ 51.923793][ T5239] ? find_held_lock+0x2d/0x110
[ 51.928580][ T5239] ? ptrace_notify+0xfa/0x140
[ 51.933617][ T5239] ? lock_downgrade+0x6e0/0x6e0
[ 51.938478][ T5239] __x64_sys_preadv+0x22b/0x310
[ 51.943341][ T5239] ? __ia32_sys_writev+0xb0/0xb0
[ 51.948296][ T5239] ? lockdep_hardirqs_on+0x79/0x100
[ 51.953515][ T5239] ? _raw_spin_unlock_irq+0x2a/0x40
[ 51.958715][ T5239] ? ptrace_notify+0xfa/0x140
[ 51.963399][ T5239] do_syscall_64+0x35/0xb0
[ 51.967822][ T5239] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 51.973722][ T5239] RIP: 0033:0x7f545e62b239
[ 51.978137][ T5239] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48
[ 51.997765][ T5239] RSP: 002b:00007ffed9c02fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
[ 52.006195][ T5239] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f545e62b239
[ 52.014170][ T5239] RDX: 0000000000000001 RSI: 00000000200006c0 RDI: 0000000000000003
[ 52.022147][ T5239] RBP: 00007ffed9c02ff0 R08: 0000000000000000 R09: 65732f636f72702f
[ 52.030120][ T5239] R10: 00000000fffffffe R11: 0000000000000246 R12: 00007f545e5ef120
[ 52.038098][ T5239] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 52.046092][ T5239]
[ 52.049261][ T5239] Kernel Offset: disabled
[ 52.053656][ T5239] Rebooting in 86400 seconds..