./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor230323418
<...>
forked to background, child pid 3208
no interfaces have a carrier
[ 28.209394][ T3209] 8021q: adding VLAN 0 to HW filter on device bond0
[ 28.222463][ T3209] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.69' (ECDSA) to the list of known hosts.
execve("./syz-executor230323418", ["./syz-executor230323418"], 0x7ffde7e1c9b0 /* 10 vars */) = 0
brk(NULL) = 0x5555566d6000
brk(0x5555566d6c40) = 0x5555566d6c40
arch_prctl(ARCH_SET_FS, 0x5555566d6300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor230323418", 4096) = 27
brk(0x5555566f7c40) = 0x5555566f7c40
brk(0x5555566f8000) = 0x5555566f8000
mprotect(0x7f53dd5e8000, 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
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53d512a000
write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
munmap(0x7f53d512a000, 16777216) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
mkdir("./file0", 0777) = 0
syzkaller login: [ 52.976344][ T3630] loop0: detected capacity change from 0 to 32768
[ 52.988348][ T3630] BTRFS: device fsid 5ac8a51e-da3a-4998-8e66-e1df06b87bc8 devid 1 transid 8 /dev/loop0 scanned by syz-executor230 (3630)
[ 53.005906][ T3630] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm
[ 53.015318][ T3630] BTRFS info (device loop0): using free space tree
mount("/dev/loop0", "./file0", "btrfs", 0, "noflushoncommit,rescan_uuid_tree,noacl,noautodefrag,datacow,") = 0
openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
ioctl(4, LOOP_CLR_FD) = 0
close(4) = 0
ioctl(3, BTRFS_IOC_SUBVOL_SETFLAGS, BTRFS_SUBVOL_RDONLY) = 0
[ 53.034184][ T3630] BTRFS info (device loop0): enabling ssd optimizations
[ 53.042944][ T3630] BTRFS info (device loop0): checking UUID tree
[ 53.078686][ T3630] ------------[ cut here ]------------
[ 53.084241][ T3630] WARNING: CPU: 1 PID: 3630 at fs/read_write.c:504 __kernel_write_iter+0x5a8/0x730
[ 53.093640][ T3630] Modules linked in:
[ 53.097554][ T3630] CPU: 1 PID: 3630 Comm: syz-executor230 Not tainted 6.1.0-syzkaller-00071-g3a28c2c89f4b #0
[ 53.107686][ T3630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 53.117805][ T3630] RIP: 0010:__kernel_write_iter+0x5a8/0x730
[ 53.123812][ T3630] Code: 8c e8 fc f9 c6 07 31 ff 89 c3 89 c6 e8 51 0a a5 ff 85 db 0f 85 06 bd ce 07 49 c7 c6 ea ff ff ff e9 11 ff ff ff e8 88 0d a5 ff <0f> 0b 49 c7 c6 f7 ff ff ff e9 fe fe ff ff e8 75 0d a5 ff 4c 89 ea
[ 53.143490][ T3630] RSP: 0018:ffffc90003c9f6f0 EFLAGS: 00010293
[ 53.149568][ T3630] RAX: 0000000000000000 RBX: 00000000000a801d RCX: 0000000000000000
[ 53.157617][ T3630] RDX: ffff888021403a80 RSI: ffffffff81db0fd8 RDI: 0000000000000005
[ 53.165663][ T3630] RBP: 1ffff92000793ee0 R08: 0000000000000005 R09: 0000000000000000
[ 53.173720][ T3630] R10: 0000000000000000 R11: 0000000000000005 R12: ffff88801ee9fb80
[ 53.182358][ T3630] R13: ffff88801ee9fbfc R14: 0000000000000000 R15: ffff88801f812008
[ 53.190531][ T3630] FS: 00005555566d6300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 53.199579][ T3630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 53.206252][ T3630] CR2: 00007ffde7e1af78 CR3: 000000007e06f000 CR4: 0000000000350ee0
[ 53.214383][ T3630] Call Trace:
[ 53.217676][ T3630]
[ 53.220785][ T3630] ? vfs_read+0x930/0x930
[ 53.225254][ T3630] ? apparmor_file_permission+0x268/0x4e0
[ 53.231135][ T3630] ? bpf_lsm_file_permission+0x9/0x10
[ 53.236692][ T3630] ? security_file_permission+0xaf/0xd0
[ 53.242309][ T3630] kernel_write+0x1c1/0x630
[ 53.246927][ T3630] ? btrfs_drop_inode+0x170/0x170
[ 53.251996][ T3630] ? __kernel_write+0x110/0x110
[ 53.256895][ T3630] btrfs_ioctl_send+0x21ae/0x64e0
[ 53.262121][ T3630] ? changed_cb+0x35e0/0x35e0
[ 53.266819][ T3630] ? __might_fault+0xd9/0x180
[ 53.271551][ T3630] ? lock_downgrade+0x6e0/0x6e0
[ 53.276434][ T3630] ? _copy_from_user+0xfd/0x170
[ 53.281359][ T3630] _btrfs_ioctl_send+0x231/0x2e0
[ 53.286336][ T3630] ? defrag_collect_targets+0x1430/0x1430
[ 53.292384][ T3630] ? tomoyo_path_number_perm+0x242/0x570
[ 53.298049][ T3630] ? lock_downgrade+0x6e0/0x6e0
[ 53.303003][ T3630] ? __kmem_cache_free+0xaf/0x3b0
[ 53.308044][ T3630] btrfs_ioctl+0x39c1/0x5c40
[ 53.312681][ T3630] ? tomoyo_execute_permission+0x4a0/0x4a0
[ 53.318505][ T3630] ? btrfs_ioctl_get_supported_features+0x50/0x50
[ 53.325089][ T3630] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 53.331090][ T3630] ? do_vfs_ioctl+0x132/0x1600
[ 53.335883][ T3630] ? vfs_fileattr_set+0xbe0/0xbe0
[ 53.340973][ T3630] ? find_held_lock+0x2d/0x110
[ 53.345775][ T3630] ? name_to_dev_t+0x12/0x990
[ 53.350448][ T3630] ? lock_downgrade+0x6e0/0x6e0
[ 53.355363][ T3630] ? bpf_lsm_file_ioctl+0x9/0x10
[ 53.360418][ T3630] ? btrfs_ioctl_get_supported_features+0x50/0x50
[ 53.366965][ T3630] __x64_sys_ioctl+0x197/0x210
[ 53.371811][ T3630] do_syscall_64+0x39/0xb0
[ 53.376224][ T3630] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 53.382184][ T3630] RIP: 0033:0x7f53dd576b49
[ 53.386610][ T3630] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 00 00 90 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
[ 53.406402][ T3630] RSP: 002b:00007ffee168b468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 53.414852][ T3630] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f53dd576b49
[ 53.422989][ T3630] RDX: 00000000200003c0 RSI: 0000000040489426 RDI: 0000000000000003
[ 53.431011][ T3630] RBP: 00007f53dd536410 R08: 0000000000000000 R09: 0000000000000000
[ 53.438992][ T3630] R10: 00000000000051af R11: 0000000000000246 R12: 00007f53dd5364a0
[ 53.447040][ T3630] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 53.455127][ T3630]
[ 53.458130][ T3630] Kernel panic - not syncing: panic_on_warn set ...
[ 53.464693][ T3630] CPU: 1 PID: 3630 Comm: syz-executor230 Not tainted 6.1.0-syzkaller-00071-g3a28c2c89f4b #0
[ 53.474735][ T3630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 53.484770][ T3630] Call Trace:
[ 53.488028][ T3630]
[ 53.490948][ T3630] dump_stack_lvl+0xd1/0x138
[ 53.495532][ T3630] panic+0x2cc/0x626
[ 53.499412][ T3630] ? panic_print_sys_info.part.0+0x110/0x110
[ 53.505383][ T3630] ? __warn.cold+0x24b/0x350
[ 53.509987][ T3630] ? __kernel_write_iter+0x5a8/0x730
[ 53.515262][ T3630] __warn.cold+0x25c/0x350
[ 53.519684][ T3630] ? __kernel_write_iter+0x5a8/0x730
[ 53.524953][ T3630] report_bug+0x1c0/0x210
[ 53.529272][ T3630] handle_bug+0x3c/0x70
[ 53.533413][ T3630] exc_invalid_op+0x18/0x50
[ 53.537899][ T3630] asm_exc_invalid_op+0x1a/0x20
[ 53.542737][ T3630] RIP: 0010:__kernel_write_iter+0x5a8/0x730
[ 53.548635][ T3630] Code: 8c e8 fc f9 c6 07 31 ff 89 c3 89 c6 e8 51 0a a5 ff 85 db 0f 85 06 bd ce 07 49 c7 c6 ea ff ff ff e9 11 ff ff ff e8 88 0d a5 ff <0f> 0b 49 c7 c6 f7 ff ff ff e9 fe fe ff ff e8 75 0d a5 ff 4c 89 ea
[ 53.568354][ T3630] RSP: 0018:ffffc90003c9f6f0 EFLAGS: 00010293
[ 53.574426][ T3630] RAX: 0000000000000000 RBX: 00000000000a801d RCX: 0000000000000000
[ 53.582410][ T3630] RDX: ffff888021403a80 RSI: ffffffff81db0fd8 RDI: 0000000000000005
[ 53.590371][ T3630] RBP: 1ffff92000793ee0 R08: 0000000000000005 R09: 0000000000000000
[ 53.598334][ T3630] R10: 0000000000000000 R11: 0000000000000005 R12: ffff88801ee9fb80
[ 53.606295][ T3630] R13: ffff88801ee9fbfc R14: 0000000000000000 R15: ffff88801f812008
[ 53.614261][ T3630] ? __kernel_write_iter+0x5a8/0x730
[ 53.619550][ T3630] ? vfs_read+0x930/0x930
[ 53.623870][ T3630] ? apparmor_file_permission+0x268/0x4e0
[ 53.629585][ T3630] ? bpf_lsm_file_permission+0x9/0x10
[ 53.634950][ T3630] ? security_file_permission+0xaf/0xd0
[ 53.640762][ T3630] kernel_write+0x1c1/0x630
[ 53.645262][ T3630] ? btrfs_drop_inode+0x170/0x170
[ 53.650290][ T3630] ? __kernel_write+0x110/0x110
[ 53.655153][ T3630] btrfs_ioctl_send+0x21ae/0x64e0
[ 53.660211][ T3630] ? changed_cb+0x35e0/0x35e0
[ 53.664877][ T3630] ? __might_fault+0xd9/0x180
[ 53.669572][ T3630] ? lock_downgrade+0x6e0/0x6e0
[ 53.674433][ T3630] ? _copy_from_user+0xfd/0x170
[ 53.679379][ T3630] _btrfs_ioctl_send+0x231/0x2e0
[ 53.684313][ T3630] ? defrag_collect_targets+0x1430/0x1430
[ 53.690028][ T3630] ? tomoyo_path_number_perm+0x242/0x570
[ 53.695658][ T3630] ? lock_downgrade+0x6e0/0x6e0
[ 53.700512][ T3630] ? __kmem_cache_free+0xaf/0x3b0
[ 53.705543][ T3630] btrfs_ioctl+0x39c1/0x5c40
[ 53.710160][ T3630] ? tomoyo_execute_permission+0x4a0/0x4a0
[ 53.716142][ T3630] ? btrfs_ioctl_get_supported_features+0x50/0x50
[ 53.722554][ T3630] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 53.728446][ T3630] ? do_vfs_ioctl+0x132/0x1600
[ 53.733293][ T3630] ? vfs_fileattr_set+0xbe0/0xbe0
[ 53.738317][ T3630] ? find_held_lock+0x2d/0x110
[ 53.743079][ T3630] ? name_to_dev_t+0x12/0x990
[ 53.747769][ T3630] ? lock_downgrade+0x6e0/0x6e0
[ 53.752713][ T3630] ? bpf_lsm_file_ioctl+0x9/0x10
[ 53.757815][ T3630] ? btrfs_ioctl_get_supported_features+0x50/0x50
[ 53.764234][ T3630] __x64_sys_ioctl+0x197/0x210
[ 53.769001][ T3630] do_syscall_64+0x39/0xb0
[ 53.773418][ T3630] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 53.779565][ T3630] RIP: 0033:0x7f53dd576b49
[ 53.783971][ T3630] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 00 00 90 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
[ 53.803610][ T3630] RSP: 002b:00007ffee168b468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 53.812113][ T3630] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f53dd576b49
[ 53.820082][ T3630] RDX: 00000000200003c0 RSI: 0000000040489426 RDI: 0000000000000003
[ 53.828049][ T3630] RBP: 00007f53dd536410 R08: 0000000000000000 R09: 0000000000000000
[ 53.836011][ T3630] R10: 00000000000051af R11: 0000000000000246 R12: 00007f53dd5364a0
[ 53.843976][ T3630] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 53.851945][ T3630]
[ 53.855575][ T3630] Kernel Offset: disabled
[ 53.860067][ T3630] Rebooting in 86400 seconds..