./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor425653479 <...> Warning: Permanently added '10.128.1.111' (ED25519) to the list of known hosts. execve("./syz-executor425653479", ["./syz-executor425653479"], 0x7ffda43abff0 /* 10 vars */) = 0 brk(NULL) = 0x555558367000 brk(0x555558367d00) = 0x555558367d00 arch_prctl(ARCH_SET_FS, 0x555558367380) = 0 set_tid_address(0x555558367650) = 5820 set_robust_list(0x555558367660, 24) = 0 rseq(0x555558367ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor425653479", 4096) = 27 getrandom("\x71\x83\x45\xa8\xec\x8d\x99\x99", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555558367d00 brk(0x555558388d00) = 0x555558388d00 brk(0x555558389000) = 0x555558389000 mprotect(0x7f31cb794000, 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 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5821 attached [pid 5821] set_robust_list(0x555558367660, 24) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x555558367650) = 5821 [pid 5821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5821] setpgid(0, 0) = 0 [pid 5821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "1000", 4executing program ) = 4 [pid 5821] close(3) = 0 [pid 5821] write(1, "executing program\n", 18) = 18 [pid 5821] memfd_create("syzkaller", 0) = 3 [pid 5821] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f31c3200000 [pid 5821] 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 [pid 5821] munmap(0x7f31c3200000, 138412032) = 0 [pid 5821] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5821] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5821] close(3) = 0 [pid 5821] close(4) = 0 [pid 5821] mkdir("./file0", 0777) = 0 [ 61.970400][ T5821] loop0: detected capacity change from 0 to 32768 [ 62.017850][ T5821] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor425 (5821) [ 62.042533][ T5821] BTRFS info (device loop0): first mount of filesystem e417788f-7a09-42b2-9266-8ddc5d5d35d2 [ 62.053392][ T5821] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 62.063945][ T5821] BTRFS info (device loop0): disk space caching is enabled [ 62.071529][ T5821] BTRFS warning (device loop0): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2 [ 62.143190][ T5821] BTRFS info (device loop0): rebuilding free space tree [ 62.168682][ T5821] BTRFS info (device loop0): disabling free space tree [ 62.175894][ T5821] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [pid 5821] mount("/dev/loop0", "./file0", "btrfs", MS_NOEXEC|MS_NOATIME|MS_REC|MS_RELATIME|MS_STRICTATIME, "compress-force,clear_cache,nodatasum,skip_balance,enospc_debug,space_cache=v1,") = 0 [pid 5821] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5821] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5821] ioctl(4, LOOP_CLR_FD) = 0 [pid 5821] close(4) = 0 [ 62.186176][ T5821] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 62.220755][ T5821] BTRFS info (device loop0): balance: start -susage=12582912,drange=8796093022212..9223372036854775807,limit=10376293541461622786,limit=2..2415919104 [ 62.238628][ T5821] BTRFS info (device loop0): left=0, need=98304, flags=2 [ 62.246155][ T5821] BTRFS info (device loop0): space_info SYSTEM has 0 free, is not full [ 62.254606][ T5821] BTRFS info (device loop0): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=0, readonly=4190208 zone_unusable=0 [ 62.268284][ T5821] BTRFS info (device loop0): global_block_rsv: size 1048576 reserved 1048576 [ 62.277338][ T5821] BTRFS info (device loop0): trans_block_rsv: size 0 reserved 0 [ 62.285097][ T5821] BTRFS info (device loop0): chunk_block_rsv: size 0 reserved 0 [ 62.292799][ T5821] BTRFS info (device loop0): delayed_block_rsv: size 0 reserved 0 [ 62.300704][ T5821] BTRFS info (device loop0): delayed_refs_rsv: size 0 reserved 0 [ 62.311072][ T5821] BTRFS error (device loop0): allocation failed flags 12, wanted 4096 tree-log 0, relocation: 0 [ 62.322196][ T5821] BTRFS info (device loop0): space_info DATA+METADATA has 2240512 free, is full [ 62.331465][ T5821] BTRFS info (device loop0): space_info total=3276800, used=49152, pinned=0, reserved=0, may_use=987136, readonly=0 zone_unusable=0 [ 62.345085][ T5821] BTRFS info (device loop0): global_block_rsv: size 983040 reserved 983040 [ 62.353905][ T5821] BTRFS info (device loop0): trans_block_rsv: size 0 reserved 0 [ 62.362033][ T5821] BTRFS info (device loop0): chunk_block_rsv: size 0 reserved 0 [ 62.369699][ T5821] BTRFS info (device loop0): delayed_block_rsv: size 0 reserved 0 [ 62.377617][ T5821] BTRFS info (device loop0): delayed_refs_rsv: size 196608 reserved 0 [ 62.386250][ T5821] BTRFS info (device loop0): block group 5242880 has 1638400 bytes, 49152 used 0 pinned 0 reserved 0 delalloc 0 super 0 zone_unusable (1589248 bytes available) [ 62.402746][ T5821] BTRFS critical (device loop0): entry offset 5242880, bytes 12288, bitmap no [ 62.411810][ T5821] BTRFS critical (device loop0): entry offset 5259264, bytes 8192, bitmap no [ 62.420620][ T5821] BTRFS critical (device loop0): entry offset 5271552, bytes 16384, bitmap no [ 62.429483][ T5821] BTRFS critical (device loop0): entry offset 5316608, bytes 36864, bitmap no [ 62.438389][ T5821] BTRFS critical (device loop0): entry offset 5357568, bytes 12288, bitmap no [ 62.447274][ T5821] BTRFS critical (device loop0): entry offset 5378048, bytes 1503232, bitmap no [ 62.456338][ T5821] BTRFS info (device loop0): block group has cluster?: no [ 62.463687][ T5821] BTRFS info (device loop0): 6 free space entries at or bigger than 4096 bytes [ 62.472685][ T5821] BTRFS info (device loop0): block group 6881280 has 1638400 bytes, 0 used 0 pinned 0 reserved 0 delalloc 0 super 0 zone_unusable (1638400 bytes available) [ 62.488446][ T5821] BTRFS critical (device loop0): entry offset 6881280, bytes 1638400, bitmap no [ 62.497544][ T5821] BTRFS info (device loop0): block group has cluster?: no [ 62.504759][ T5821] BTRFS info (device loop0): 1 free space entries at or bigger than 4096 bytes [ 62.513732][ T5821] BTRFS info (device loop0): 3227648 bytes available across all block groups [ 62.522666][ T5821] ------------[ cut here ]------------ [ 62.528247][ T5821] BTRFS: Transaction aborted (error -28) [ 62.534219][ T5821] WARNING: CPU: 1 PID: 5821 at fs/btrfs/block-group.c:2752 btrfs_create_pending_block_groups+0x14f9/0x1710 [ 62.545747][ T5821] Modules linked in: [ 62.549698][ T5821] CPU: 1 UID: 0 PID: 5821 Comm: syz-executor425 Not tainted 6.13.0-syzkaller-00164-g100ceb4817a2 #0 [ 62.560550][ T5821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 62.570668][ T5821] RIP: 0010:btrfs_create_pending_block_groups+0x14f9/0x1710 [ 62.577965][ T5821] Code: bf fd 4c 89 f7 be 03 00 00 00 e8 12 df db 00 e9 86 f9 ff ff e8 b8 bd bf fd 90 48 c7 c7 40 dd 4d 8c 44 89 f6 e8 08 5f 80 fd 90 <0f> 0b 90 90 e9 7b fe ff ff e8 99 bd bf fd 90 48 c7 c7 40 dd 4d 8c [ 62.597626][ T5821] RSP: 0018:ffffc90003d3f6a0 EFLAGS: 00010246 [ 62.603762][ T5821] RAX: ca0f8ba320aea800 RBX: ffff888058e28001 RCX: ffff8880595d0000 [ 62.611786][ T5821] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 62.619767][ T5821] RBP: ffffc90003d3f960 R08: ffffffff816018a2 R09: fffffbfff1cfa210 [ 62.627790][ T5821] R10: dffffc0000000000 R11: fffffbfff1cfa210 R12: 0000000000000000 [ 62.635811][ T5821] R13: dffffc0000000000 R14: 00000000ffffffe4 R15: ffff88803296b1c0 [ 62.643822][ T5821] FS: 0000555558367380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 62.652905][ T5821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.659500][ T5821] CR2: 00007fff0ef78458 CR3: 00000000320ce000 CR4: 00000000003526f0 [ 62.667564][ T5821] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.675579][ T5821] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.683624][ T5821] Call Trace: [ 62.686924][ T5821] [ 62.689858][ T5821] ? __warn+0x165/0x4d0 [ 62.694063][ T5821] ? btrfs_create_pending_block_groups+0x14f9/0x1710 [ 62.700868][ T5821] ? report_bug+0x2b3/0x500 [ 62.705377][ T5821] ? btrfs_create_pending_block_groups+0x14f9/0x1710 [ 62.712108][ T5821] ? handle_bug+0x60/0x90 [ 62.716450][ T5821] ? exc_invalid_op+0x1a/0x50 [ 62.721167][ T5821] ? asm_exc_invalid_op+0x1a/0x20 [ 62.726205][ T5821] ? __warn_printk+0x292/0x360 [ 62.731006][ T5821] ? btrfs_create_pending_block_groups+0x14f9/0x1710 [ 62.737717][ T5821] ? btrfs_inc_block_group_ro+0x640/0x700 [ 62.743642][ T5821] ? __pfx_btrfs_create_pending_block_groups+0x10/0x10 [ 62.750534][ T5821] ? btrfs_block_rsv_add+0xd0/0xf0 [ 62.755648][ T5821] ? __pfx_lock_release+0x10/0x10 [ 62.760713][ T5821] ? do_raw_spin_lock+0x14f/0x370 [ 62.765758][ T5821] ? __mutex_unlock_slowpath+0x21e/0x790 [ 62.771448][ T5821] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 62.777455][ T5821] ? btrfs_trans_release_metadata+0x233/0x330 [ 62.783580][ T5821] __btrfs_end_transaction+0x150/0x630 [ 62.789334][ T5821] btrfs_inc_block_group_ro+0x648/0x700 [ 62.794945][ T5821] btrfs_relocate_block_group+0x440/0xd90 [ 62.800732][ T5821] btrfs_relocate_chunk+0x12c/0x3b0 [ 62.805960][ T5821] __btrfs_balance+0x1b0f/0x26b0 [ 62.811009][ T5821] ? describe_balance_start_or_resume+0x44c/0x490 [ 62.817489][ T5821] ? __pfx___btrfs_balance+0x10/0x10 [ 62.823029][ T5821] ? __wait_for_common+0x630/0x6e0 [ 62.828162][ T5821] btrfs_balance+0xbdc/0x10c0 [ 62.832908][ T5821] btrfs_ioctl_balance+0x493/0x7c0 [ 62.838053][ T5821] ? __pfx_btrfs_ioctl+0x10/0x10 [ 62.843052][ T5821] __se_sys_ioctl+0xf5/0x170 [ 62.847663][ T5821] do_syscall_64+0xf3/0x230 [ 62.852228][ T5821] ? clear_bhb_loop+0x35/0x90 [ 62.856952][ T5821] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.862901][ T5821] RIP: 0033:0x7f31cb71bda9 [ 62.867359][ T5821] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 [ 62.887034][ T5821] RSP: 002b:00007ffc8eb51ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 62.895502][ T5821] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f31cb71bda9 [ 62.903510][ T5821] RDX: 0000000020000500 RSI: 00000000c4009420 RDI: 0000000000000003 [ 62.911528][ T5821] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555583684c0 [ 62.919506][ T5821] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 62.927553][ T5821] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 62.935617][ T5821] [ 62.938675][ T5821] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 62.945964][ T5821] CPU: 1 UID: 0 PID: 5821 Comm: syz-executor425 Not tainted 6.13.0-syzkaller-00164-g100ceb4817a2 #0 [ 62.956714][ T5821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 62.966761][ T5821] Call Trace: [ 62.970033][ T5821] [ 62.972959][ T5821] dump_stack_lvl+0x241/0x360 [ 62.977655][ T5821] ? __pfx_dump_stack_lvl+0x10/0x10 [ 62.982876][ T5821] ? __pfx__printk+0x10/0x10 [ 62.987470][ T5821] ? _printk+0xd5/0x120 [ 62.991656][ T5821] ? __init_begin+0x41000/0x41000 [ 62.996741][ T5821] ? vscnprintf+0x5d/0x90 [ 63.001082][ T5821] panic+0x349/0x880 [ 63.004993][ T5821] ? __warn+0x174/0x4d0 [ 63.009148][ T5821] ? __pfx_panic+0x10/0x10 [ 63.013578][ T5821] __warn+0x344/0x4d0 [ 63.017553][ T5821] ? btrfs_create_pending_block_groups+0x14f9/0x1710 [ 63.024228][ T5821] report_bug+0x2b3/0x500 [ 63.028551][ T5821] ? btrfs_create_pending_block_groups+0x14f9/0x1710 [ 63.035226][ T5821] handle_bug+0x60/0x90 [ 63.039374][ T5821] exc_invalid_op+0x1a/0x50 [ 63.043873][ T5821] asm_exc_invalid_op+0x1a/0x20 [ 63.048725][ T5821] RIP: 0010:btrfs_create_pending_block_groups+0x14f9/0x1710 [ 63.056008][ T5821] Code: bf fd 4c 89 f7 be 03 00 00 00 e8 12 df db 00 e9 86 f9 ff ff e8 b8 bd bf fd 90 48 c7 c7 40 dd 4d 8c 44 89 f6 e8 08 5f 80 fd 90 <0f> 0b 90 90 e9 7b fe ff ff e8 99 bd bf fd 90 48 c7 c7 40 dd 4d 8c [ 63.075608][ T5821] RSP: 0018:ffffc90003d3f6a0 EFLAGS: 00010246 [ 63.081670][ T5821] RAX: ca0f8ba320aea800 RBX: ffff888058e28001 RCX: ffff8880595d0000 [ 63.089632][ T5821] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 63.097594][ T5821] RBP: ffffc90003d3f960 R08: ffffffff816018a2 R09: fffffbfff1cfa210 [ 63.105555][ T5821] R10: dffffc0000000000 R11: fffffbfff1cfa210 R12: 0000000000000000 [ 63.113517][ T5821] R13: dffffc0000000000 R14: 00000000ffffffe4 R15: ffff88803296b1c0 [ 63.121485][ T5821] ? __warn_printk+0x292/0x360 [ 63.126269][ T5821] ? btrfs_inc_block_group_ro+0x640/0x700 [ 63.132004][ T5821] ? __pfx_btrfs_create_pending_block_groups+0x10/0x10 [ 63.138872][ T5821] ? btrfs_block_rsv_add+0xd0/0xf0 [ 63.143988][ T5821] ? __pfx_lock_release+0x10/0x10 [ 63.149011][ T5821] ? do_raw_spin_lock+0x14f/0x370 [ 63.154059][ T5821] ? __mutex_unlock_slowpath+0x21e/0x790 [ 63.159702][ T5821] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 63.165685][ T5821] ? btrfs_trans_release_metadata+0x233/0x330 [ 63.171759][ T5821] __btrfs_end_transaction+0x150/0x630 [ 63.177216][ T5821] btrfs_inc_block_group_ro+0x648/0x700 [ 63.182777][ T5821] btrfs_relocate_block_group+0x440/0xd90 [ 63.188514][ T5821] btrfs_relocate_chunk+0x12c/0x3b0 [ 63.193719][ T5821] __btrfs_balance+0x1b0f/0x26b0 [ 63.198665][ T5821] ? describe_balance_start_or_resume+0x44c/0x490 [ 63.205089][ T5821] ? __pfx___btrfs_balance+0x10/0x10 [ 63.210365][ T5821] ? __wait_for_common+0x630/0x6e0 [ 63.215481][ T5821] btrfs_balance+0xbdc/0x10c0 [ 63.220166][ T5821] btrfs_ioctl_balance+0x493/0x7c0 [ 63.225280][ T5821] ? __pfx_btrfs_ioctl+0x10/0x10 [ 63.230220][ T5821] __se_sys_ioctl+0xf5/0x170 [ 63.234813][ T5821] do_syscall_64+0xf3/0x230 [ 63.239310][ T5821] ? clear_bhb_loop+0x35/0x90 [ 63.243983][ T5821] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.249870][ T5821] RIP: 0033:0x7f31cb71bda9 [ 63.254277][ T5821] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 [ 63.273875][ T5821] RSP: 002b:00007ffc8eb51ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 63.282282][ T5821] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f31cb71bda9 [ 63.290333][ T5821] RDX: 0000000020000500 RSI: 00000000c4009420 RDI: 0000000000000003 [ 63.298298][ T5821] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555583684c0 [ 63.306263][ T5821] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 63.314223][ T5821] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 63.322201][ T5821] [ 63.325468][ T5821] Kernel Offset: disabled [ 63.329816][ T5821] Rebooting in 86400 seconds..