./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor13220789 <...> Warning: Permanently added '10.128.0.185' (ECDSA) to the list of known hosts. execve("./syz-executor13220789", ["./syz-executor13220789"], 0x7ffc5c0a42b0 /* 10 vars */) = 0 brk(NULL) = 0x55555621d000 brk(0x55555621dc40) = 0x55555621dc40 arch_prctl(ARCH_SET_FS, 0x55555621d300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor13220789", 4096) = 26 brk(0x55555623ec40) = 0x55555623ec40 brk(0x55555623f000) = 0x55555623f000 mprotect(0x7fbad418d000, 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) = 0x7fbacbccf000 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(0x7fbacbccf000, 16777216) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./bus", 0777) = 0 [ 53.502137][ T3639] loop0: detected capacity change from 0 to 32768 [ 53.515182][ T3639] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor132 (3639) [ 53.533306][ T3639] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm [ 53.542200][ T3639] BTRFS info (device loop0): doing ref verification mount("/dev/loop0", "./bus", "btrfs", MS_DIRSYNC, "ref_verify,nossd,inode_cache,compress-force,space_cache=v2,degraded,noacl,") = 0 openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 chdir("./bus") = 0 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 open("./file0", O_RDONLY) = 4 [ 53.548993][ T3639] BTRFS warning (device loop0): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 53.560701][ T3639] BTRFS info (device loop0): force zlib compression, level 3 [ 53.568231][ T3639] BTRFS info (device loop0): allowing degraded mounts [ 53.575147][ T3639] BTRFS info (device loop0): using free space tree [ 53.633781][ T3639] BTRFS info (device loop0): balance: start -susage=7,stripes=0..23665 [ 53.645986][ T3639] ------------[ cut here ]------------ [ 53.652502][ T3639] WARNING: CPU: 0 PID: 3639 at fs/btrfs/block-group.c:2409 btrfs_create_pending_block_groups.cold+0x5d/0x21c [ 53.665923][ T3639] Modules linked in: [ 53.670815][ T3639] CPU: 0 PID: 3639 Comm: syz-executor132 Not tainted 6.1.0-syzkaller #0 [ 53.679594][ T3639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 53.690068][ T3639] RIP: 0010:btrfs_create_pending_block_groups.cold+0x5d/0x21c [ 53.698221][ T3639] Code: ad fd ff 31 ff 89 c3 89 c6 e8 29 b0 cb f7 84 db 0f 84 a5 00 00 00 e8 ac b3 cb f7 44 89 ee 48 c7 c7 40 ae 96 8a e8 2c ab f2 ff <0f> 0b eb a1 e8 94 b3 cb f7 48 8b 44 24 78 48 c1 e8 03 42 80 3c 20 [ 53.718674][ T3639] RSP: 0018:ffffc90003b7f740 EFLAGS: 00010282 [ 53.724809][ T3639] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.733193][ T3639] RDX: ffff888076b49d40 RSI: ffffffff8165785c RDI: fffff5200076feda [ 53.742293][ T3639] RBP: ffff888079ece000 R08: 0000000000000005 R09: 0000000000000000 [ 53.750415][ T3639] R10: 0000000080000000 R11: 0000000000000000 R12: dffffc0000000000 [ 53.758527][ T3639] R13: 00000000ffffffe4 R14: ffff888028451058 R15: ffff888028451050 [ 53.766607][ T3639] FS: 000055555621d300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 53.775660][ T3639] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.782314][ T3639] CR2: 0000000020002280 CR3: 0000000078918000 CR4: 0000000000350ef0 [ 53.790337][ T3639] Call Trace: [ 53.793609][ T3639] [ 53.796625][ T3639] ? btrfs_inc_block_group_ro+0x313/0x650 [ 53.802406][ T3639] ? btrfs_read_block_groups+0x1930/0x1930 [ 53.808471][ T3639] ? btrfs_block_rsv_add+0xba/0xd0 [ 53.813605][ T3639] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 53.819332][ T3639] ? do_raw_spin_unlock+0x175/0x230 [ 53.824564][ T3639] ? btrfs_trans_release_metadata+0x16a/0x1e0 [ 53.830737][ T3639] __btrfs_end_transaction+0xf9/0x930 [ 53.836235][ T3639] btrfs_inc_block_group_ro+0x31b/0x650 [ 53.841810][ T3639] btrfs_relocate_block_group+0x211/0xd90 [ 53.847705][ T3639] btrfs_relocate_chunk+0x14a/0x350 [ 53.852931][ T3639] btrfs_balance+0x1caf/0x3be0 [ 53.858154][ T3639] ? btrfs_ioctl+0x50ec/0x5c40 [ 53.863062][ T3639] ? btrfs_relocate_chunk+0x350/0x350 [ 53.868605][ T3639] btrfs_ioctl+0x115d/0x5c40 [ 53.873230][ T3639] ? btrfs_ioctl_get_supported_features+0x50/0x50 [ 53.879891][ T3639] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 53.885825][ T3639] ? do_vfs_ioctl+0x132/0x1600 [ 53.890805][ T3639] ? vfs_fileattr_set+0xbe0/0xbe0 [ 53.895853][ T3639] ? find_held_lock+0x2d/0x110 [ 53.900686][ T3639] ? do_one_initcall+0x362/0x780 [ 53.905738][ T3639] ? lock_downgrade+0x6e0/0x6e0 [ 53.910703][ T3639] ? bpf_lsm_file_ioctl+0x9/0x10 [ 53.915860][ T3639] ? btrfs_ioctl_get_supported_features+0x50/0x50 [ 53.922518][ T3639] __x64_sys_ioctl+0x197/0x210 [ 53.927551][ T3639] do_syscall_64+0x39/0xb0 [ 53.931976][ T3639] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.938109][ T3639] RIP: 0033:0x7fbad411bba9 [ 53.942539][ T3639] 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 [ 53.962792][ T3639] RSP: 002b:00007ffdfc2b3fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.971402][ T3639] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbad411bba9 [ 53.979555][ T3639] RDX: 0000000020002280 RSI: 00000000c4009420 RDI: 0000000000000004 [ 53.987640][ T3639] RBP: 00007fbad40db440 R08: 0000000000000000 R09: 0000000000000000 [ 53.995800][ T3639] R10: 00000000000050e9 R11: 0000000000000246 R12: 00007fbad40db4d0 [ 54.003883][ T3639] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 54.012616][ T3639] [ 54.015634][ T3639] Kernel panic - not syncing: panic_on_warn set ... [ 54.022290][ T3639] CPU: 0 PID: 3639 Comm: syz-executor132 Not tainted 6.1.0-syzkaller #0 [ 54.031046][ T3639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 54.041459][ T3639] Call Trace: [ 54.044915][ T3639] [ 54.047833][ T3639] dump_stack_lvl+0xd1/0x138 [ 54.052436][ T3639] panic+0x2cc/0x626 [ 54.056354][ T3639] ? panic_print_sys_info.part.0+0x110/0x110 [ 54.062346][ T3639] ? __warn.cold+0x24b/0x350 [ 54.066949][ T3639] ? btrfs_create_pending_block_groups.cold+0x5d/0x21c [ 54.074164][ T3639] __warn.cold+0x25c/0x350 [ 54.078780][ T3639] ? __wake_up_klogd.part.0+0x99/0xf0 [ 54.084183][ T3639] ? btrfs_create_pending_block_groups.cold+0x5d/0x21c [ 54.091121][ T3639] report_bug+0x1c0/0x210 [ 54.095564][ T3639] handle_bug+0x3c/0x70 [ 54.099725][ T3639] exc_invalid_op+0x18/0x50 [ 54.104251][ T3639] asm_exc_invalid_op+0x1a/0x20 [ 54.109211][ T3639] RIP: 0010:btrfs_create_pending_block_groups.cold+0x5d/0x21c [ 54.117027][ T3639] Code: ad fd ff 31 ff 89 c3 89 c6 e8 29 b0 cb f7 84 db 0f 84 a5 00 00 00 e8 ac b3 cb f7 44 89 ee 48 c7 c7 40 ae 96 8a e8 2c ab f2 ff <0f> 0b eb a1 e8 94 b3 cb f7 48 8b 44 24 78 48 c1 e8 03 42 80 3c 20 [ 54.136641][ T3639] RSP: 0018:ffffc90003b7f740 EFLAGS: 00010282 [ 54.142739][ T3639] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.150742][ T3639] RDX: ffff888076b49d40 RSI: ffffffff8165785c RDI: fffff5200076feda [ 54.158718][ T3639] RBP: ffff888079ece000 R08: 0000000000000005 R09: 0000000000000000 [ 54.166685][ T3639] R10: 0000000080000000 R11: 0000000000000000 R12: dffffc0000000000 [ 54.174660][ T3639] R13: 00000000ffffffe4 R14: ffff888028451058 R15: ffff888028451050 [ 54.182663][ T3639] ? vprintk+0x8c/0xa0 [ 54.186851][ T3639] ? btrfs_inc_block_group_ro+0x313/0x650 [ 54.192919][ T3639] ? btrfs_read_block_groups+0x1930/0x1930 [ 54.198993][ T3639] ? btrfs_block_rsv_add+0xba/0xd0 [ 54.204108][ T3639] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 54.210383][ T3639] ? do_raw_spin_unlock+0x175/0x230 [ 54.215845][ T3639] ? btrfs_trans_release_metadata+0x16a/0x1e0 [ 54.222095][ T3639] __btrfs_end_transaction+0xf9/0x930 [ 54.227645][ T3639] btrfs_inc_block_group_ro+0x31b/0x650 [ 54.233545][ T3639] btrfs_relocate_block_group+0x211/0xd90 [ 54.239274][ T3639] btrfs_relocate_chunk+0x14a/0x350 [ 54.244472][ T3639] btrfs_balance+0x1caf/0x3be0 [ 54.249250][ T3639] ? btrfs_ioctl+0x50ec/0x5c40 [ 54.254027][ T3639] ? btrfs_relocate_chunk+0x350/0x350 [ 54.259421][ T3639] btrfs_ioctl+0x115d/0x5c40 [ 54.264218][ T3639] ? btrfs_ioctl_get_supported_features+0x50/0x50 [ 54.270639][ T3639] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 54.277063][ T3639] ? do_vfs_ioctl+0x132/0x1600 [ 54.281858][ T3639] ? vfs_fileattr_set+0xbe0/0xbe0 [ 54.286902][ T3639] ? find_held_lock+0x2d/0x110 [ 54.291695][ T3639] ? do_one_initcall+0x362/0x780 [ 54.296636][ T3639] ? lock_downgrade+0x6e0/0x6e0 [ 54.301495][ T3639] ? bpf_lsm_file_ioctl+0x9/0x10 [ 54.306430][ T3639] ? btrfs_ioctl_get_supported_features+0x50/0x50 [ 54.312885][ T3639] __x64_sys_ioctl+0x197/0x210 [ 54.317660][ T3639] do_syscall_64+0x39/0xb0 [ 54.322161][ T3639] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.328079][ T3639] RIP: 0033:0x7fbad411bba9 [ 54.333114][ T3639] 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 [ 54.353193][ T3639] RSP: 002b:00007ffdfc2b3fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.361865][ T3639] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbad411bba9 [ 54.369831][ T3639] RDX: 0000000020002280 RSI: 00000000c4009420 RDI: 0000000000000004 [ 54.377796][ T3639] RBP: 00007fbad40db440 R08: 0000000000000000 R09: 0000000000000000 [ 54.385761][ T3639] R10: 00000000000050e9 R11: 0000000000000246 R12: 00007fbad40db4d0 [ 54.393922][ T3639] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 54.403058][ T3639] [ 54.406430][ T3639] Kernel Offset: disabled [ 54.410925][ T3639] Rebooting in 86400 seconds..