./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2512233392
<...>
DUID 00:04:a3:03:08:15:93:78:e3:1f:4c:1c:fb:56:e6:f5:4b:05
forked to background, child pid 4812
[ 29.165123][ T4813] 8021q: adding VLAN 0 to HW filter on device bond0
[ 29.174724][ T4813] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.225' (ECDSA) to the list of known hosts.
execve("./syz-executor2512233392", ["./syz-executor2512233392"], 0x7ffd316abff0 /* 10 vars */) = 0
brk(NULL) = 0x555555b2b000
brk(0x555555b2bc40) = 0x555555b2bc40
arch_prctl(ARCH_SET_FS, 0x555555b2b300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor2512233392", 4096) = 28
brk(0x555555b4cc40) = 0x555555b4cc40
brk(0x555555b4d000) = 0x555555b4d000
mprotect(0x7fd11ea4c000, 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/thread-self/smaps", O_RDWR) = 3
read(3, "1ffff000-20000000 ---p 00000000 00:00 0 \nSize: 4 kB\nKernelPageSize: 4 kB\nMMU"..., 8224) = 3469
read(3, "7fd11e9a2000-7fd11ea23000 r-xp 00009000 08:01 1137 /root/syz-executor251223339"..., 8224) = 3630
syzkaller login: [ 52.661522][ T5234] ------------[ cut here ]------------
[ 52.667206][ T5234] WARNING: CPU: 1 PID: 5234 at include/linux/mmap_lock.h:155 anon_vma_name+0x11c/0x170
[ 52.676901][ T5234] Modules linked in:
[ 52.680803][ T5234] CPU: 1 PID: 5234 Comm: syz-executor251 Not tainted 6.1.0-rc5-next-20221114-syzkaller #0
[ 52.690726][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 52.700844][ T5234] RIP: 0010:anon_vma_name+0x11c/0x170
[ 52.706265][ T5234] Code: 8d bd 58 01 00 00 be ff ff ff ff e8 9e c8 e1 07 31 ff 41 89 c4 89 c6 e8 42 0c bc ff 45 85 e4 0f 85 5c ff ff ff e8 64 0f bc ff <0f> 0b e9 50 ff ff ff e8 58 0f bc ff 48 89 ef e8 d0 e7 f2 ff 0f 0b
[ 52.725916][ T5234] RSP: 0018:ffffc90003ac7988 EFLAGS: 00010293
[ 52.731971][ T5234] RAX: 0000000000000000 RBX: ffffffff8b9a9000 RCX: 0000000000000000
[ 52.740197][ T5234] RDX: ffff888026a61d40 RSI: ffffffff81c10d8c RDI: 0000000000000005
[ 52.748249][ T5234] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
[ 52.756288][ T5234] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 52.764334][ T5234] R13: ffffffff8b9a9008 R14: ffffffff8b9a9010 R15: 0000000000000000
[ 52.772316][ T5234] FS: 0000555555b2b300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 52.781329][ T5234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 52.787946][ T5234] CR2: 0000000020003000 CR3: 0000000075062000 CR4: 00000000003506e0
[ 52.795961][ T5234] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 52.803974][ T5234] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 52.811934][ T5234] Call Trace:
[ 52.815248][ T5234]
[ 52.818182][ T5234] ? 0xffffffffff600000
[ 52.822327][ T5234] show_map_vma+0x22d/0x620
[ 52.826871][ T5234] ? smap_gather_stats.part.0+0x142/0x250
[ 52.832607][ T5234] show_smap+0xe4/0x490
[ 52.836816][ T5234] ? smap_gather_stats.part.0+0x250/0x250
[ 52.842548][ T5234] ? mas_next_nentry+0x610/0xab0
[ 52.847528][ T5234] ? mas_next_node+0x547/0xa00
[ 52.852325][ T5234] seq_read_iter+0xbbe/0x1280
[ 52.857066][ T5234] seq_read+0x16d/0x210
[ 52.861251][ T5234] ? seq_read_iter+0x1280/0x1280
[ 52.866243][ T5234] ? security_file_permission+0xab/0xd0
[ 52.871823][ T5234] vfs_read+0x2dc/0x9d0
[ 52.876273][ T5234] ? seq_read_iter+0x1280/0x1280
[ 52.881257][ T5234] ? kernel_read+0x1c0/0x1c0
[ 52.885939][ T5234] ? find_held_lock+0x2d/0x110
[ 52.890726][ T5234] ? ptrace_notify+0xfa/0x140
[ 52.895443][ T5234] ? lock_downgrade+0x6e0/0x6e0
[ 52.900310][ T5234] ? __fget_light+0x20a/0x270
[ 52.905030][ T5234] ksys_read+0x127/0x250
[ 52.909281][ T5234] ? vfs_write+0xe30/0xe30
[ 52.913756][ T5234] ? lockdep_hardirqs_on+0x79/0x100
[ 52.918972][ T5234] ? _raw_spin_unlock_irq+0x2a/0x40
[ 52.924210][ T5234] ? ptrace_notify+0xfa/0x140
[ 52.928901][ T5234] do_syscall_64+0x35/0xb0
[ 52.933313][ T5234] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 52.939240][ T5234] RIP: 0033:0x7fd11e9e0269
[ 52.943692][ T5234] 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
[ 52.963333][ T5234] RSP: 002b:00007ffc1410a5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 52.971798][ T5234] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd11e9e0269
[ 52.979802][ T5234] RDX: 0000000000002020 RSI: 0000000020008380 RDI: 0000000000000003
[ 52.987799][ T5234] RBP: 00007ffc1410a5e0 R08: 68742f636f72702f R09: 68742f636f72702f
[ 52.995801][ T5234] R10: 68742f636f72702f R11: 0000000000000246 R12: 00007fd11e9a4150
[ 53.003821][ T5234] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 53.011826][ T5234]
[ 53.014903][ T5234] Kernel panic - not syncing: panic_on_warn set ...
[ 53.021488][ T5234] CPU: 1 PID: 5234 Comm: syz-executor251 Not tainted 6.1.0-rc5-next-20221114-syzkaller #0
[ 53.031377][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 53.041430][ T5234] Call Trace:
[ 53.044704][ T5234]
[ 53.047637][ T5234] dump_stack_lvl+0xcd/0x134
[ 53.052244][ T5234] panic+0x2c8/0x622
[ 53.056153][ T5234] ? panic_print_sys_info.part.0+0x110/0x110
[ 53.062153][ T5234] ? __warn.cold+0x24b/0x350
[ 53.066761][ T5234] ? anon_vma_name+0x11c/0x170
[ 53.071537][ T5234] __warn.cold+0x25c/0x350
[ 53.075965][ T5234] ? anon_vma_name+0x11c/0x170
[ 53.080737][ T5234] report_bug+0x1bc/0x210
[ 53.085080][ T5234] handle_bug+0x3c/0x70
[ 53.089237][ T5234] exc_invalid_op+0x14/0x40
[ 53.093745][ T5234] asm_exc_invalid_op+0x16/0x20
[ 53.098606][ T5234] RIP: 0010:anon_vma_name+0x11c/0x170
[ 53.103987][ T5234] Code: 8d bd 58 01 00 00 be ff ff ff ff e8 9e c8 e1 07 31 ff 41 89 c4 89 c6 e8 42 0c bc ff 45 85 e4 0f 85 5c ff ff ff e8 64 0f bc ff <0f> 0b e9 50 ff ff ff e8 58 0f bc ff 48 89 ef e8 d0 e7 f2 ff 0f 0b
[ 53.123595][ T5234] RSP: 0018:ffffc90003ac7988 EFLAGS: 00010293
[ 53.129661][ T5234] RAX: 0000000000000000 RBX: ffffffff8b9a9000 RCX: 0000000000000000
[ 53.137630][ T5234] RDX: ffff888026a61d40 RSI: ffffffff81c10d8c RDI: 0000000000000005
[ 53.145599][ T5234] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
[ 53.153566][ T5234] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 53.161534][ T5234] R13: ffffffff8b9a9008 R14: ffffffff8b9a9010 R15: 0000000000000000
[ 53.169513][ T5234] ? anon_vma_name+0x11c/0x170
[ 53.174295][ T5234] ? anon_vma_name+0x11c/0x170
[ 53.179065][ T5234] ? 0xffffffffff600000
[ 53.183217][ T5234] show_map_vma+0x22d/0x620
[ 53.187729][ T5234] ? smap_gather_stats.part.0+0x142/0x250
[ 53.193460][ T5234] show_smap+0xe4/0x490
[ 53.197625][ T5234] ? smap_gather_stats.part.0+0x250/0x250
[ 53.203349][ T5234] ? mas_next_nentry+0x610/0xab0
[ 53.208293][ T5234] ? mas_next_node+0x547/0xa00
[ 53.213087][ T5234] seq_read_iter+0xbbe/0x1280
[ 53.217789][ T5234] seq_read+0x16d/0x210
[ 53.221951][ T5234] ? seq_read_iter+0x1280/0x1280
[ 53.226911][ T5234] ? security_file_permission+0xab/0xd0
[ 53.232478][ T5234] vfs_read+0x2dc/0x9d0
[ 53.236646][ T5234] ? seq_read_iter+0x1280/0x1280
[ 53.241588][ T5234] ? kernel_read+0x1c0/0x1c0
[ 53.246194][ T5234] ? find_held_lock+0x2d/0x110
[ 53.250962][ T5234] ? ptrace_notify+0xfa/0x140
[ 53.255643][ T5234] ? lock_downgrade+0x6e0/0x6e0
[ 53.260498][ T5234] ? __fget_light+0x20a/0x270
[ 53.265190][ T5234] ksys_read+0x127/0x250
[ 53.269432][ T5234] ? vfs_write+0xe30/0xe30
[ 53.273847][ T5234] ? lockdep_hardirqs_on+0x79/0x100
[ 53.279051][ T5234] ? _raw_spin_unlock_irq+0x2a/0x40
[ 53.284258][ T5234] ? ptrace_notify+0xfa/0x140
[ 53.288949][ T5234] do_syscall_64+0x35/0xb0
[ 53.293378][ T5234] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 53.299282][ T5234] RIP: 0033:0x7fd11e9e0269
[ 53.303699][ T5234] 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
[ 53.323306][ T5234] RSP: 002b:00007ffc1410a5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 53.331718][ T5234] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd11e9e0269
[ 53.339687][ T5234] RDX: 0000000000002020 RSI: 0000000020008380 RDI: 0000000000000003
[ 53.347656][ T5234] RBP: 00007ffc1410a5e0 R08: 68742f636f72702f R09: 68742f636f72702f
[ 53.355628][ T5234] R10: 68742f636f72702f R11: 0000000000000246 R12: 00007fd11e9a4150
[ 53.363600][ T5234] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 53.371586][ T5234]
[ 53.374753][ T5234] Kernel Offset: disabled
[ 53.379152][ T5234] Rebooting in 86400 seconds..