./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1661773534
<...>
forked to background, child pid 3208
no interfaces have a carrier
[ 26.971589][ T3209] 8021q: adding VLAN 0 to HW filter on device bond0
[ 26.980668][ T3209] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.111' (ECDSA) to the list of known hosts.
execve("./syz-executor1661773534", ["./syz-executor1661773534"], 0x7ffefdce6b70 /* 10 vars */) = 0
brk(NULL) = 0x555556003000
brk(0x555556003c40) = 0x555556003c40
arch_prctl(ARCH_SET_FS, 0x555556003300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor1661773534", 4096) = 28
brk(0x555556024c40) = 0x555556024c40
brk(0x555556025000) = 0x555556025000
mprotect(0x7f64eb9be000, 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) = 0x7f64e3400000
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(0x7f64e3400000, 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: [ 51.427499][ T3629] loop0: detected capacity change from 0 to 32768
[ 51.438707][ T3629] BTRFS: device fsid 5ac8a51e-da3a-4998-8e66-e1df06b87bc8 devid 1 transid 8 /dev/loop0 scanned by syz-executor166 (3629)
[ 51.455819][ T3629] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm
[ 51.465182][ T3629] 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
[ 51.483251][ T3629] BTRFS info (device loop0): enabling ssd optimizations
[ 51.491781][ T3629] BTRFS info (device loop0): checking UUID tree
[ 51.525343][ T3629] ------------[ cut here ]------------
[ 51.530850][ T3629] WARNING: CPU: 0 PID: 3629 at fs/read_write.c:504 __kernel_write_iter+0x5a8/0x730
[ 51.540587][ T3629] Modules linked in:
[ 51.544768][ T3629] CPU: 0 PID: 3629 Comm: syz-executor166 Not tainted 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
[ 51.555460][ T3629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 51.565770][ T3629] RIP: 0010:__kernel_write_iter+0x5a8/0x730
[ 51.571694][ T3629] Code: 8c e8 dc d5 c6 07 31 ff 89 c3 89 c6 e8 f1 21 a5 ff 85 db 0f 85 8d 9a ce 07 49 c7 c6 ea ff ff ff e9 11 ff ff ff e8 28 25 a5 ff <0f> 0b 49 c7 c6 f7 ff ff ff e9 fe fe ff ff e8 15 25 a5 ff 4c 89 ea
[ 51.591889][ T3629] RSP: 0018:ffffc90003c0f6f0 EFLAGS: 00010293
[ 51.598181][ T3629] RAX: 0000000000000000 RBX: 00000000000a801d RCX: 0000000000000000
[ 51.606414][ T3629] RDX: ffff88801f7ad7c0 RSI: ffffffff81daf3f8 RDI: 0000000000000005
[ 51.614794][ T3629] RBP: 1ffff92000781ee0 R08: 0000000000000005 R09: 0000000000000000
[ 51.623434][ T3629] R10: 0000000000000000 R11: 1ffffffff211c6f7 R12: ffff8880781ab180
[ 51.631424][ T3629] R13: ffff8880781ab1fc R14: 0000000000000000 R15: ffff88807c5e8c08
[ 51.640293][ T3629] FS: 0000555556003300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[ 51.649274][ T3629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 51.655887][ T3629] CR2: 00007ffefdce4f08 CR3: 0000000077979000 CR4: 0000000000350ef0
[ 51.663979][ T3629] Call Trace:
[ 51.667255][ T3629]
[ 51.670184][ T3629] ? vfs_read+0x930/0x930
[ 51.674547][ T3629] ? apparmor_file_permission+0x268/0x4e0
[ 51.680318][ T3629] ? bpf_lsm_file_permission+0x9/0x10
[ 51.685714][ T3629] ? security_file_permission+0xaf/0xd0
[ 51.691290][ T3629] kernel_write+0x1c1/0x630
[ 51.695826][ T3629] ? btrfs_drop_inode+0x170/0x170
[ 51.700879][ T3629] ? __kernel_write+0x110/0x110
[ 51.705773][ T3629] btrfs_ioctl_send+0x21ae/0x64e0
[ 51.710821][ T3629] ? changed_cb+0x35e0/0x35e0
[ 51.715550][ T3629] ? __might_fault+0xd9/0x180
[ 51.720256][ T3629] ? lock_downgrade+0x6e0/0x6e0
[ 51.725232][ T3629] ? _copy_from_user+0xfd/0x170
[ 51.730116][ T3629] _btrfs_ioctl_send+0x231/0x2e0
[ 51.735396][ T3629] ? defrag_collect_targets+0x1430/0x1430
[ 51.741146][ T3629] ? tomoyo_path_number_perm+0x234/0x550
[ 51.746901][ T3629] ? lock_downgrade+0x6e0/0x6e0
[ 51.751770][ T3629] ? __kmem_cache_free+0xaf/0x3b0
[ 51.756832][ T3629] btrfs_ioctl+0x39c1/0x5c40
[ 51.761445][ T3629] ? tomoyo_execute_permission+0x4a0/0x4a0
[ 51.767291][ T3629] ? btrfs_ioctl_get_supported_features+0x50/0x50
[ 51.773743][ T3629] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 51.779625][ T3629] ? do_vfs_ioctl+0x132/0x1600
[ 51.784424][ T3629] ? vfs_fileattr_set+0xbe0/0xbe0
[ 51.789465][ T3629] ? find_held_lock+0x2d/0x110
[ 51.794268][ T3629] ? name_to_dev_t+0x12/0x990
[ 51.798963][ T3629] ? lock_downgrade+0x6e0/0x6e0
[ 51.803867][ T3629] ? bpf_lsm_file_ioctl+0x9/0x10
[ 51.808816][ T3629] ? btrfs_ioctl_get_supported_features+0x50/0x50
[ 51.815266][ T3629] __x64_sys_ioctl+0x197/0x210
[ 51.820046][ T3629] do_syscall_64+0x39/0xb0
[ 51.824494][ T3629] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 51.830405][ T3629] RIP: 0033:0x7f64eb94cb49
[ 51.834844][ T3629] 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
[ 51.854525][ T3629] RSP: 002b:00007fffff4e8cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 51.863196][ T3629] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64eb94cb49
[ 51.871176][ T3629] RDX: 00000000200003c0 RSI: 0000000040489426 RDI: 0000000000000003
[ 51.879191][ T3629] RBP: 00007f64eb90c410 R08: 0000000000000000 R09: 0000000000000000
[ 51.887202][ T3629] R10: 00000000000051af R11: 0000000000000246 R12: 00007f64eb90c4a0
[ 51.895219][ T3629] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 51.903236][ T3629]
[ 51.906262][ T3629] Kernel panic - not syncing: panic_on_warn set ...
[ 51.912823][ T3629] CPU: 0 PID: 3629 Comm: syz-executor166 Not tainted 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
[ 51.923211][ T3629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 51.933331][ T3629] Call Trace:
[ 51.936591][ T3629]
[ 51.939678][ T3629] dump_stack_lvl+0xd1/0x138
[ 51.944259][ T3629] panic+0x2cc/0x626
[ 51.948143][ T3629] ? panic_print_sys_info.part.0+0x110/0x110
[ 51.954115][ T3629] ? __warn.cold+0x24b/0x350
[ 51.958693][ T3629] ? __kernel_write_iter+0x5a8/0x730
[ 51.963982][ T3629] __warn.cold+0x25c/0x350
[ 51.968386][ T3629] ? __kernel_write_iter+0x5a8/0x730
[ 51.973659][ T3629] report_bug+0x1c0/0x210
[ 51.977975][ T3629] handle_bug+0x3c/0x70
[ 51.982115][ T3629] exc_invalid_op+0x18/0x50
[ 51.986606][ T3629] asm_exc_invalid_op+0x1a/0x20
[ 51.991441][ T3629] RIP: 0010:__kernel_write_iter+0x5a8/0x730
[ 51.997328][ T3629] Code: 8c e8 dc d5 c6 07 31 ff 89 c3 89 c6 e8 f1 21 a5 ff 85 db 0f 85 8d 9a ce 07 49 c7 c6 ea ff ff ff e9 11 ff ff ff e8 28 25 a5 ff <0f> 0b 49 c7 c6 f7 ff ff ff e9 fe fe ff ff e8 15 25 a5 ff 4c 89 ea
[ 52.016947][ T3629] RSP: 0018:ffffc90003c0f6f0 EFLAGS: 00010293
[ 52.023005][ T3629] RAX: 0000000000000000 RBX: 00000000000a801d RCX: 0000000000000000
[ 52.030965][ T3629] RDX: ffff88801f7ad7c0 RSI: ffffffff81daf3f8 RDI: 0000000000000005
[ 52.038931][ T3629] RBP: 1ffff92000781ee0 R08: 0000000000000005 R09: 0000000000000000
[ 52.046984][ T3629] R10: 0000000000000000 R11: 1ffffffff211c6f7 R12: ffff8880781ab180
[ 52.055033][ T3629] R13: ffff8880781ab1fc R14: 0000000000000000 R15: ffff88807c5e8c08
[ 52.063094][ T3629] ? __kernel_write_iter+0x5a8/0x730
[ 52.068398][ T3629] ? vfs_read+0x930/0x930
[ 52.072720][ T3629] ? apparmor_file_permission+0x268/0x4e0
[ 52.078444][ T3629] ? bpf_lsm_file_permission+0x9/0x10
[ 52.083804][ T3629] ? security_file_permission+0xaf/0xd0
[ 52.089349][ T3629] kernel_write+0x1c1/0x630
[ 52.093867][ T3629] ? btrfs_drop_inode+0x170/0x170
[ 52.098892][ T3629] ? __kernel_write+0x110/0x110
[ 52.103752][ T3629] btrfs_ioctl_send+0x21ae/0x64e0
[ 52.108781][ T3629] ? changed_cb+0x35e0/0x35e0
[ 52.113449][ T3629] ? __might_fault+0xd9/0x180
[ 52.118124][ T3629] ? lock_downgrade+0x6e0/0x6e0
[ 52.122983][ T3629] ? _copy_from_user+0xfd/0x170
[ 52.127832][ T3629] _btrfs_ioctl_send+0x231/0x2e0
[ 52.132768][ T3629] ? defrag_collect_targets+0x1430/0x1430
[ 52.138504][ T3629] ? tomoyo_path_number_perm+0x234/0x550
[ 52.144130][ T3629] ? lock_downgrade+0x6e0/0x6e0
[ 52.148983][ T3629] ? __kmem_cache_free+0xaf/0x3b0
[ 52.154005][ T3629] btrfs_ioctl+0x39c1/0x5c40
[ 52.158596][ T3629] ? tomoyo_execute_permission+0x4a0/0x4a0
[ 52.164404][ T3629] ? btrfs_ioctl_get_supported_features+0x50/0x50
[ 52.170925][ T3629] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 52.176835][ T3629] ? do_vfs_ioctl+0x132/0x1600
[ 52.181590][ T3629] ? vfs_fileattr_set+0xbe0/0xbe0
[ 52.186611][ T3629] ? find_held_lock+0x2d/0x110
[ 52.191408][ T3629] ? name_to_dev_t+0x12/0x990
[ 52.196082][ T3629] ? lock_downgrade+0x6e0/0x6e0
[ 52.200935][ T3629] ? bpf_lsm_file_ioctl+0x9/0x10
[ 52.205865][ T3629] ? btrfs_ioctl_get_supported_features+0x50/0x50
[ 52.212279][ T3629] __x64_sys_ioctl+0x197/0x210
[ 52.217034][ T3629] do_syscall_64+0x39/0xb0
[ 52.221447][ T3629] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 52.227334][ T3629] RIP: 0033:0x7f64eb94cb49
[ 52.231744][ T3629] 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
[ 52.251341][ T3629] RSP: 002b:00007fffff4e8cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 52.259754][ T3629] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64eb94cb49
[ 52.267716][ T3629] RDX: 00000000200003c0 RSI: 0000000040489426 RDI: 0000000000000003
[ 52.275699][ T3629] RBP: 00007f64eb90c410 R08: 0000000000000000 R09: 0000000000000000
[ 52.283660][ T3629] R10: 00000000000051af R11: 0000000000000246 R12: 00007f64eb90c4a0
[ 52.291619][ T3629] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 52.299599][ T3629]
[ 52.303284][ T3629] Kernel Offset: disabled
[ 52.307659][ T3629] Rebooting in 86400 seconds..