./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2281385441
<...>
forked to background, child pid 3207
no interfaces have a carrier
[ 28.030116][ T3208] 8021q: adding VLAN 0 to HW filter on device bond0
[ 28.039122][ T3208] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.42' (ECDSA) to the list of known hosts.
execve("./syz-executor2281385441", ["./syz-executor2281385441"], 0x7ffc5eb99d70 /* 10 vars */) = 0
brk(NULL) = 0x55555722f000
brk(0x55555722fc40) = 0x55555722fc40
arch_prctl(ARCH_SET_FS, 0x55555722f300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor2281385441", 4096) = 28
brk(0x555557250c40) = 0x555557250c40
brk(0x555557251000) = 0x555557251000
mprotect(0x7faaccfa4000, 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) = 0x7faac4ae6000
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(0x7faac4ae6000, 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: [ 50.621628][ T3629] loop0: detected capacity change from 0 to 32768
[ 50.632557][ T3629] BTRFS: device fsid 5ac8a51e-da3a-4998-8e66-e1df06b87bc8 devid 1 transid 8 /dev/loop0 scanned by syz-executor228 (3629)
[ 50.649186][ T3629] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm
[ 50.658530][ 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
[ 50.676803][ T3629] BTRFS info (device loop0): enabling ssd optimizations
[ 50.685231][ T3629] BTRFS info (device loop0): checking UUID tree
[ 50.719707][ T3629] ------------[ cut here ]------------
[ 50.725551][ T3629] WARNING: CPU: 0 PID: 3629 at fs/read_write.c:504 __kernel_write_iter+0x5a8/0x730
[ 50.734900][ T3629] Modules linked in:
[ 50.738798][ T3629] CPU: 0 PID: 3629 Comm: syz-executor228 Not tainted 6.1.0-syzkaller-00071-g3a28c2c89f4b #0
[ 50.748919][ T3629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 50.759018][ T3629] RIP: 0010:__kernel_write_iter+0x5a8/0x730
[ 50.764972][ T3629] 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
[ 50.784657][ T3629] RSP: 0018:ffffc90003a2f6f0 EFLAGS: 00010293
[ 50.790785][ T3629] RAX: 0000000000000000 RBX: 00000000000a801d RCX: 0000000000000000
[ 50.798807][ T3629] RDX: ffff88801fd5ba80 RSI: ffffffff81db0fd8 RDI: 0000000000000005
[ 50.806841][ T3629] RBP: 1ffff92000745ee0 R08: 0000000000000005 R09: 0000000000000000
[ 50.814942][ T3629] R10: 0000000000000000 R11: 0000000000000005 R12: ffff88807c1faf00
[ 50.822930][ T3629] R13: ffff88807c1faf7c R14: 0000000000000000 R15: ffff8880266b9808
[ 50.830978][ T3629] FS: 000055555722f300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[ 50.839981][ T3629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.846624][ T3629] CR2: 000055cc7becf000 CR3: 000000001ff61000 CR4: 0000000000350ef0
[ 50.854697][ T3629] Call Trace:
[ 50.858035][ T3629]
[ 50.860972][ T3629] ? vfs_read+0x930/0x930
[ 50.865385][ T3629] ? apparmor_file_permission+0x268/0x4e0
[ 50.871155][ T3629] ? bpf_lsm_file_permission+0x9/0x10
[ 50.876568][ T3629] ? security_file_permission+0xaf/0xd0
[ 50.882156][ T3629] kernel_write+0x1c1/0x630
[ 50.886700][ T3629] ? btrfs_drop_inode+0x170/0x170
[ 50.891774][ T3629] ? __kernel_write+0x110/0x110
[ 50.896672][ T3629] btrfs_ioctl_send+0x21ae/0x64e0
[ 50.901808][ T3629] ? changed_cb+0x35e0/0x35e0
[ 50.906554][ T3629] ? __might_fault+0xd9/0x180
[ 50.911259][ T3629] ? lock_downgrade+0x6e0/0x6e0
[ 50.916164][ T3629] ? _copy_from_user+0xfd/0x170
[ 50.921049][ T3629] _btrfs_ioctl_send+0x231/0x2e0
[ 50.926048][ T3629] ? defrag_collect_targets+0x1430/0x1430
[ 50.931787][ T3629] ? tomoyo_path_number_perm+0x242/0x570
[ 50.937447][ T3629] ? lock_downgrade+0x6e0/0x6e0
[ 50.942319][ T3629] ? __kmem_cache_free+0xaf/0x3b0
[ 50.947392][ T3629] btrfs_ioctl+0x39c1/0x5c40
[ 50.952008][ T3629] ? tomoyo_execute_permission+0x4a0/0x4a0
[ 50.957849][ T3629] ? btrfs_ioctl_get_supported_features+0x50/0x50
[ 50.964297][ T3629] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 50.970243][ T3629] ? do_vfs_ioctl+0x132/0x1600
[ 50.975042][ T3629] ? vfs_fileattr_set+0xbe0/0xbe0
[ 50.980096][ T3629] ? find_held_lock+0x2d/0x110
[ 50.984907][ T3629] ? name_to_dev_t+0x12/0x990
[ 50.989592][ T3629] ? lock_downgrade+0x6e0/0x6e0
[ 50.994439][ T3629] ? bpf_lsm_file_ioctl+0x9/0x10
[ 50.999404][ T3629] ? btrfs_ioctl_get_supported_features+0x50/0x50
[ 51.005860][ T3629] __x64_sys_ioctl+0x197/0x210
[ 51.010614][ T3629] do_syscall_64+0x39/0xb0
[ 51.015062][ T3629] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 51.020968][ T3629] RIP: 0033:0x7faaccf32b49
[ 51.025402][ 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
[ 51.045211][ T3629] RSP: 002b:00007ffe9ee17258 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 51.053610][ T3629] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faaccf32b49
[ 51.061610][ T3629] RDX: 00000000200003c0 RSI: 0000000040489426 RDI: 0000000000000003
[ 51.069605][ T3629] RBP: 00007faaccef2410 R08: 0000000000000000 R09: 0000000000000000
[ 51.077602][ T3629] R10: 00000000000051af R11: 0000000000000246 R12: 00007faaccef24a0
[ 51.085591][ T3629] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 51.093570][ T3629]
[ 51.096631][ T3629] Kernel panic - not syncing: panic_on_warn set ...
[ 51.103209][ T3629] CPU: 0 PID: 3629 Comm: syz-executor228 Not tainted 6.1.0-syzkaller-00071-g3a28c2c89f4b #0
[ 51.113265][ T3629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 51.123308][ T3629] Call Trace:
[ 51.126579][ T3629]
[ 51.129499][ T3629] dump_stack_lvl+0xd1/0x138
[ 51.134087][ T3629] panic+0x2cc/0x626
[ 51.137985][ T3629] ? panic_print_sys_info.part.0+0x110/0x110
[ 51.144230][ T3629] ? __warn.cold+0x24b/0x350
[ 51.148820][ T3629] ? __kernel_write_iter+0x5a8/0x730
[ 51.154101][ T3629] __warn.cold+0x25c/0x350
[ 51.158516][ T3629] ? __kernel_write_iter+0x5a8/0x730
[ 51.163794][ T3629] report_bug+0x1c0/0x210
[ 51.168147][ T3629] handle_bug+0x3c/0x70
[ 51.172299][ T3629] exc_invalid_op+0x18/0x50
[ 51.176803][ T3629] asm_exc_invalid_op+0x1a/0x20
[ 51.181667][ T3629] RIP: 0010:__kernel_write_iter+0x5a8/0x730
[ 51.187555][ T3629] 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
[ 51.207152][ T3629] RSP: 0018:ffffc90003a2f6f0 EFLAGS: 00010293
[ 51.213208][ T3629] RAX: 0000000000000000 RBX: 00000000000a801d RCX: 0000000000000000
[ 51.221168][ T3629] RDX: ffff88801fd5ba80 RSI: ffffffff81db0fd8 RDI: 0000000000000005
[ 51.229126][ T3629] RBP: 1ffff92000745ee0 R08: 0000000000000005 R09: 0000000000000000
[ 51.237088][ T3629] R10: 0000000000000000 R11: 0000000000000005 R12: ffff88807c1faf00
[ 51.245047][ T3629] R13: ffff88807c1faf7c R14: 0000000000000000 R15: ffff8880266b9808
[ 51.253012][ T3629] ? __kernel_write_iter+0x5a8/0x730
[ 51.258295][ T3629] ? vfs_read+0x930/0x930
[ 51.262621][ T3629] ? apparmor_file_permission+0x268/0x4e0
[ 51.268345][ T3629] ? bpf_lsm_file_permission+0x9/0x10
[ 51.273704][ T3629] ? security_file_permission+0xaf/0xd0
[ 51.279249][ T3629] kernel_write+0x1c1/0x630
[ 51.283746][ T3629] ? btrfs_drop_inode+0x170/0x170
[ 51.288766][ T3629] ? __kernel_write+0x110/0x110
[ 51.293640][ T3629] btrfs_ioctl_send+0x21ae/0x64e0
[ 51.298668][ T3629] ? changed_cb+0x35e0/0x35e0
[ 51.303340][ T3629] ? __might_fault+0xd9/0x180
[ 51.308015][ T3629] ? lock_downgrade+0x6e0/0x6e0
[ 51.312974][ T3629] ? _copy_from_user+0xfd/0x170
[ 51.317823][ T3629] _btrfs_ioctl_send+0x231/0x2e0
[ 51.322758][ T3629] ? defrag_collect_targets+0x1430/0x1430
[ 51.328475][ T3629] ? tomoyo_path_number_perm+0x242/0x570
[ 51.334123][ T3629] ? lock_downgrade+0x6e0/0x6e0
[ 51.338975][ T3629] ? __kmem_cache_free+0xaf/0x3b0
[ 51.343995][ T3629] btrfs_ioctl+0x39c1/0x5c40
[ 51.348582][ T3629] ? tomoyo_execute_permission+0x4a0/0x4a0
[ 51.354384][ T3629] ? btrfs_ioctl_get_supported_features+0x50/0x50
[ 51.360793][ T3629] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 51.366685][ T3629] ? do_vfs_ioctl+0x132/0x1600
[ 51.371440][ T3629] ? vfs_fileattr_set+0xbe0/0xbe0
[ 51.376463][ T3629] ? find_held_lock+0x2d/0x110
[ 51.381224][ T3629] ? name_to_dev_t+0x12/0x990
[ 51.385897][ T3629] ? lock_downgrade+0x6e0/0x6e0
[ 51.390773][ T3629] ? bpf_lsm_file_ioctl+0x9/0x10
[ 51.395699][ T3629] ? btrfs_ioctl_get_supported_features+0x50/0x50
[ 51.402135][ T3629] __x64_sys_ioctl+0x197/0x210
[ 51.406894][ T3629] do_syscall_64+0x39/0xb0
[ 51.411303][ T3629] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 51.417195][ T3629] RIP: 0033:0x7faaccf32b49
[ 51.421596][ 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
[ 51.441192][ T3629] RSP: 002b:00007ffe9ee17258 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 51.449590][ T3629] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faaccf32b49
[ 51.457552][ T3629] RDX: 00000000200003c0 RSI: 0000000040489426 RDI: 0000000000000003
[ 51.465510][ T3629] RBP: 00007faaccef2410 R08: 0000000000000000 R09: 0000000000000000
[ 51.473465][ T3629] R10: 00000000000051af R11: 0000000000000246 R12: 00007faaccef24a0
[ 51.481598][ T3629] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 51.489563][ T3629]
[ 51.493575][ T3629] Kernel Offset: disabled
[ 51.497960][ T3629] Rebooting in 86400 seconds..