./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1801787734
<...>
Warning: Permanently added '10.128.1.120' (ED25519) to the list of known hosts.
execve("./syz-executor1801787734", ["./syz-executor1801787734"], 0x7fff44514cf0 /* 10 vars */) = 0
brk(NULL) = 0x5555914d7000
brk(0x5555914d7d00) = 0x5555914d7d00
arch_prctl(ARCH_SET_FS, 0x5555914d7380) = 0
set_tid_address(0x5555914d7650) = 5819
set_robust_list(0x5555914d7660, 24) = 0
rseq(0x5555914d7ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1801787734", 4096) = 28
getrandom("\x3f\x70\xa1\xa1\x5c\xef\xd2\xa7", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555914d7d00
brk(0x5555914f8d00) = 0x5555914f8d00
brk(0x5555914f9000) = 0x5555914f9000
mprotect(0x7f249ea48000, 16384, PROT_READ) = 0
mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000
mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000
mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000
executing program
write(1, "executing program\n", 18) = 18
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2496400000
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(0x7f2496400000, 138412032) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
close(4) = 0
mkdir("./file0", 0777) = 0
[ 59.583959][ T5819] loop0: detected capacity change from 0 to 32768
[ 59.621092][ T5819] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor180 (5819)
[ 59.655880][ T5819] BTRFS info (device loop0): first mount of filesystem e417788f-7a09-42b2-9266-8ddc5d5d35d2
[ 59.668346][ T5819] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm
[ 59.678232][ T5819] BTRFS info (device loop0): disk space caching is enabled
[ 59.685989][ T5819] BTRFS warning (device loop0): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
mount("/dev/loop0", "./file0", "btrfs", MS_NOEXEC|MS_NOATIME|MS_REC|MS_RELATIME|MS_STRICTATIME, "compress-force,clear_cache,nodatasum,nossd,degraded,space_cache=v1,") = 0
openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 59.786324][ T5819] BTRFS info (device loop0): rebuilding free space tree
[ 59.806104][ T5819] BTRFS info (device loop0): disabling free space tree
[ 59.813143][ T5819] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[ 59.822917][ T5819] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
ioctl(4, LOOP_CLR_FD) = 0
close(4) = 0
[ 59.901919][ T5819] BTRFS info (device loop0): balance: start -s
[ 59.912085][ T5819] ------------[ cut here ]------------
[ 59.917849][ T5819] BTRFS: Transaction aborted (error -28)
[ 59.924474][ T5819] WARNING: CPU: 0 PID: 5819 at fs/btrfs/block-group.c:2747 btrfs_create_pending_block_groups+0x14e9/0x17b0
[ 59.936041][ T5819] Modules linked in:
[ 59.939989][ T5819] CPU: 0 UID: 0 PID: 5819 Comm: syz-executor180 Not tainted 6.14.0-rc5-syzkaller-00013-g99fa936e8e4f #0
[ 59.951410][ T5819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 59.961838][ T5819] RIP: 0010:btrfs_create_pending_block_groups+0x14e9/0x17b0
[ 59.969449][ T5819] Code: 48 c7 c6 a0 97 6e 8c 44 89 e2 e8 12 e7 1b fd e9 1e fe ff ff e8 28 f0 b5 fd 90 48 c7 c7 40 97 6e 8c 44 89 e6 e8 08 ac 75 fd 90 <0f> 0b 90 90 e9 ff fd ff ff 44 89 e1 80 e1 07 38 c1 0f 8c cb ed ff
[ 59.989311][ T5819] RSP: 0018:ffffc90003f3f6a0 EFLAGS: 00010246
[ 59.995479][ T5819] RAX: b0562f9607728300 RBX: 0000000000000000 RCX: ffff888035ca0000
[ 60.003545][ T5819] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[ 60.011532][ T5819] RBP: ffffc90003f3f960 R08: ffffffff81817d42 R09: fffffbfff1d3a614
[ 60.020244][ T5819] R10: dffffc0000000000 R11: fffffbfff1d3a614 R12: 00000000ffffffe4
[ 60.028321][ T5819] R13: dffffc0000000000 R14: 1ffff11006c63414 R15: ffff88803631a1c0
[ 60.036377][ T5819] FS: 00005555914d7380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 60.045504][ T5819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 60.052117][ T5819] CR2: 00007ffd0e8f6b38 CR3: 0000000027518000 CR4: 00000000003526f0
[ 60.060186][ T5819] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 60.068236][ T5819] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 60.076278][ T5819] Call Trace:
[ 60.079567][ T5819]
[ 60.082489][ T5819] ? __warn+0x165/0x4d0
[ 60.086700][ T5819] ? btrfs_create_pending_block_groups+0x14e9/0x17b0
[ 60.093459][ T5819] ? report_bug+0x2b3/0x500
[ 60.097962][ T5819] ? btrfs_create_pending_block_groups+0x14e9/0x17b0
[ 60.104708][ T5819] ? handle_bug+0x60/0x90
[ 60.109078][ T5819] ? exc_invalid_op+0x1a/0x50
[ 60.113815][ T5819] ? asm_exc_invalid_op+0x1a/0x20
[ 60.118854][ T5819] ? __warn_printk+0x292/0x360
[ 60.123699][ T5819] ? btrfs_create_pending_block_groups+0x14e9/0x17b0
[ 60.130427][ T5819] ? __pfx_lock_release+0x10/0x10
[ 60.135510][ T5819] ? __pfx_btrfs_create_pending_block_groups+0x10/0x10
[ 60.142374][ T5819] ? __pfx_lock_acquire+0x10/0x10
[ 60.147482][ T5819] ? btrfs_block_rsv_add+0xd0/0xf0
[ 60.152650][ T5819] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 60.158665][ T5819] ? btrfs_trans_release_metadata+0x233/0x330
[ 60.164850][ T5819] __btrfs_end_transaction+0x150/0x630
[ 60.170335][ T5819] btrfs_inc_block_group_ro+0x648/0x700
[ 60.175962][ T5819] btrfs_relocate_block_group+0x440/0xd90
[ 60.181718][ T5819] btrfs_relocate_chunk+0x12c/0x3b0
[ 60.186980][ T5819] __btrfs_balance+0x1b0f/0x26b0
[ 60.191936][ T5819] ? describe_balance_start_or_resume+0x44c/0x490
[ 60.198405][ T5819] ? __pfx___btrfs_balance+0x10/0x10
[ 60.203739][ T5819] ? mutex_unlock+0x10/0x10
[ 60.208236][ T5819] ? do_raw_spin_unlock+0x13c/0x8b0
[ 60.213467][ T5819] btrfs_balance+0xbdc/0x10c0
[ 60.218165][ T5819] btrfs_ioctl_balance+0x3f5/0x660
[ 60.223351][ T5819] ? btrfs_ioctl+0xb18/0xcf0
[ 60.227948][ T5819] ? __pfx_btrfs_ioctl+0x10/0x10
[ 60.232941][ T5819] __se_sys_ioctl+0xf5/0x170
[ 60.237546][ T5819] do_syscall_64+0xf3/0x230
[ 60.242041][ T5819] ? clear_bhb_loop+0x35/0x90
[ 60.246877][ T5819] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 60.252826][ T5819] RIP: 0033:0x7f249e9d0989
[ 60.257234][ T5819] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48
[ 60.276960][ T5819] RSP: 002b:00007fffd67590f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 60.285452][ T5819] RAX: ffffffffffffffda RBX: 00007fffd67592c8 RCX: 00007f249e9d0989
[ 60.293504][ T5819] RDX: 0000400000000c40 RSI: 00000000c4009420 RDI: 0000000000000003
[ 60.301485][ T5819] RBP: 00007f249ea48610 R08: 00000000000051a5 R09: 00007fffd67592c8
[ 60.309496][ T5819] R10: 00007fffd6758fb0 R11: 0000000000000246 R12: 0000000000000001
[ 60.317526][ T5819] R13: 00007fffd67592b8 R14: 0000000000000001 R15: 0000000000000001
[ 60.325549][ T5819]
[ 60.328600][ T5819] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 60.335903][ T5819] CPU: 0 UID: 0 PID: 5819 Comm: syz-executor180 Not tainted 6.14.0-rc5-syzkaller-00013-g99fa936e8e4f #0
[ 60.347004][ T5819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 60.357046][ T5819] Call Trace:
[ 60.360310][ T5819]
[ 60.363231][ T5819] dump_stack_lvl+0x241/0x360
[ 60.367896][ T5819] ? __pfx_dump_stack_lvl+0x10/0x10
[ 60.373077][ T5819] ? __pfx__printk+0x10/0x10
[ 60.377653][ T5819] ? _printk+0xd5/0x120
[ 60.381793][ T5819] ? __init_begin+0x41000/0x41000
[ 60.386836][ T5819] ? vscnprintf+0x5d/0x90
[ 60.391147][ T5819] panic+0x349/0x880
[ 60.395029][ T5819] ? __warn+0x174/0x4d0
[ 60.399166][ T5819] ? __pfx_panic+0x10/0x10
[ 60.403589][ T5819] __warn+0x344/0x4d0
[ 60.407574][ T5819] ? btrfs_create_pending_block_groups+0x14e9/0x17b0
[ 60.414251][ T5819] report_bug+0x2b3/0x500
[ 60.418577][ T5819] ? btrfs_create_pending_block_groups+0x14e9/0x17b0
[ 60.425257][ T5819] handle_bug+0x60/0x90
[ 60.429410][ T5819] exc_invalid_op+0x1a/0x50
[ 60.433913][ T5819] asm_exc_invalid_op+0x1a/0x20
[ 60.438762][ T5819] RIP: 0010:btrfs_create_pending_block_groups+0x14e9/0x17b0
[ 60.446043][ T5819] Code: 48 c7 c6 a0 97 6e 8c 44 89 e2 e8 12 e7 1b fd e9 1e fe ff ff e8 28 f0 b5 fd 90 48 c7 c7 40 97 6e 8c 44 89 e6 e8 08 ac 75 fd 90 <0f> 0b 90 90 e9 ff fd ff ff 44 89 e1 80 e1 07 38 c1 0f 8c cb ed ff
[ 60.465645][ T5819] RSP: 0018:ffffc90003f3f6a0 EFLAGS: 00010246
[ 60.471706][ T5819] RAX: b0562f9607728300 RBX: 0000000000000000 RCX: ffff888035ca0000
[ 60.479668][ T5819] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[ 60.487649][ T5819] RBP: ffffc90003f3f960 R08: ffffffff81817d42 R09: fffffbfff1d3a614
[ 60.495749][ T5819] R10: dffffc0000000000 R11: fffffbfff1d3a614 R12: 00000000ffffffe4
[ 60.503987][ T5819] R13: dffffc0000000000 R14: 1ffff11006c63414 R15: ffff88803631a1c0
[ 60.511967][ T5819] ? __warn_printk+0x292/0x360
[ 60.516761][ T5819] ? __pfx_lock_release+0x10/0x10
[ 60.521786][ T5819] ? __pfx_btrfs_create_pending_block_groups+0x10/0x10
[ 60.528638][ T5819] ? __pfx_lock_acquire+0x10/0x10
[ 60.533671][ T5819] ? btrfs_block_rsv_add+0xd0/0xf0
[ 60.538786][ T5819] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 60.544764][ T5819] ? btrfs_trans_release_metadata+0x233/0x330
[ 60.550829][ T5819] __btrfs_end_transaction+0x150/0x630
[ 60.556287][ T5819] btrfs_inc_block_group_ro+0x648/0x700
[ 60.561831][ T5819] btrfs_relocate_block_group+0x440/0xd90
[ 60.567568][ T5819] btrfs_relocate_chunk+0x12c/0x3b0
[ 60.572766][ T5819] __btrfs_balance+0x1b0f/0x26b0
[ 60.577713][ T5819] ? describe_balance_start_or_resume+0x44c/0x490
[ 60.584137][ T5819] ? __pfx___btrfs_balance+0x10/0x10
[ 60.589423][ T5819] ? mutex_unlock+0x10/0x10
[ 60.593926][ T5819] ? do_raw_spin_unlock+0x13c/0x8b0
[ 60.599122][ T5819] btrfs_balance+0xbdc/0x10c0
[ 60.603898][ T5819] btrfs_ioctl_balance+0x3f5/0x660
[ 60.609001][ T5819] ? btrfs_ioctl+0xb18/0xcf0
[ 60.613580][ T5819] ? __pfx_btrfs_ioctl+0x10/0x10
[ 60.618507][ T5819] __se_sys_ioctl+0xf5/0x170
[ 60.623096][ T5819] do_syscall_64+0xf3/0x230
[ 60.627596][ T5819] ? clear_bhb_loop+0x35/0x90
[ 60.632267][ T5819] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 60.638153][ T5819] RIP: 0033:0x7f249e9d0989
[ 60.642561][ T5819] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48
[ 60.662253][ T5819] RSP: 002b:00007fffd67590f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 60.670665][ T5819] RAX: ffffffffffffffda RBX: 00007fffd67592c8 RCX: 00007f249e9d0989
[ 60.678632][ T5819] RDX: 0000400000000c40 RSI: 00000000c4009420 RDI: 0000000000000003
[ 60.686595][ T5819] RBP: 00007f249ea48610 R08: 00000000000051a5 R09: 00007fffd67592c8
[ 60.694579][ T5819] R10: 00007fffd6758fb0 R11: 0000000000000246 R12: 0000000000000001
[ 60.702566][ T5819] R13: 00007fffd67592b8 R14: 0000000000000001 R15: 0000000000000001
[ 60.710547][ T5819]
[ 60.713819][ T5819] Kernel Offset: disabled
[ 60.718171][ T5819] Rebooting in 86400 seconds..