./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1440617373 <...> Warning: Permanently added '10.128.0.69' (ED25519) to the list of known hosts. execve("./syz-executor1440617373", ["./syz-executor1440617373"], 0x7fffa0a6d420 /* 10 vars */) = 0 brk(NULL) = 0x5555919dc000 brk(0x5555919dcd00) = 0x5555919dcd00 arch_prctl(ARCH_SET_FS, 0x5555919dc380) = 0 set_tid_address(0x5555919dc650) = 5217 set_robust_list(0x5555919dc660, 24) = 0 rseq(0x5555919dcca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1440617373", 4096) = 28 getrandom("\xc9\xae\x9e\x59\x8f\xa3\xe4\xae", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555919dcd00 brk(0x5555919fdd00) = 0x5555919fdd00 brk(0x5555919fe000) = 0x5555919fe000 mprotect(0x7f46f00c4000, 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 5219 attached , child_tidptr=0x5555919dc650) = 5219 [pid 5219] set_robust_list(0x5555919dc660, 24) = 0 [pid 5219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5219] setpgid(0, 0) = 0 [pid 5219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "1000", 4) = 4 [pid 5219] close(3) = 0 [pid 5219] write(1, "executing program\n", 18executing program ) = 18 [pid 5219] memfd_create("syzkaller", 0) = 3 [pid 5219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46e7c00000 [pid 5219] 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 5219] munmap(0x7f46e7c00000, 138412032) = 0 [pid 5219] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5219] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5219] close(3) = 0 [pid 5219] close(4) = 0 [pid 5219] mkdir("./file0", 0777) = 0 [ 58.690245][ T5219] loop0: detected capacity change from 0 to 32768 [ 58.716104][ T5219] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor144 (5219) [ 58.741962][ T5219] BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d [ 58.759933][ T5219] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 58.769659][ T5219] BTRFS info (device loop0): using free-space-tree [pid 5219] mount("/dev/loop0", "./file0", "btrfs", 0, "") = 0 [pid 5219] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5219] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5219] ioctl(4, LOOP_CLR_FD) = 0 [pid 5219] close(4) = 0 [pid 5219] ioctl(-1, AUTOFS_DEV_IOCTL_ASKUMOUNT, 0x20000100) = -1 EBADF (Bad file descriptor) [ 58.886719][ T5219] BTRFS info (device loop0): balance: start -s [ 58.895600][ T5219] ------------[ cut here ]------------ [ 58.901148][ T5219] BTRFS: Transaction aborted (error -28) [ 58.907104][ T5219] WARNING: CPU: 1 PID: 5219 at fs/btrfs/block-group.c:2752 btrfs_create_pending_block_groups+0x14f9/0x1710 [ 58.918635][ T5219] Modules linked in: [ 58.922672][ T5219] CPU: 1 UID: 0 PID: 5219 Comm: syz-executor144 Not tainted 6.11.0-rc7-syzkaller-00151-gd42f7708e27c #0 [ 58.933852][ T5219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 58.943973][ T5219] RIP: 0010:btrfs_create_pending_block_groups+0x14f9/0x1710 [ 58.951352][ T5219] Code: c0 fd 4c 89 f7 be 03 00 00 00 e8 d2 58 d7 00 e9 86 f9 ff ff e8 a8 eb c0 fd 90 48 c7 c7 00 47 2e 8c 44 89 f6 e8 38 0f 83 fd 90 <0f> 0b 90 90 e9 7b fe ff ff e8 89 eb c0 fd 90 48 c7 c7 00 47 2e 8c [ 58.971065][ T5219] RSP: 0018:ffffc900034776a0 EFLAGS: 00010246 [ 58.977220][ T5219] RAX: 7f15963a9c8f3600 RBX: ffff88807c9b4001 RCX: ffff88802be1da00 [ 58.985324][ T5219] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 58.993359][ T5219] RBP: ffffc90003477960 R08: ffffffff8155b292 R09: fffffbfff1cba0e0 [ 59.001412][ T5219] R10: dffffc0000000000 R11: fffffbfff1cba0e0 R12: 0000000000000000 [ 59.009428][ T5219] R13: dffffc0000000000 R14: 00000000ffffffe4 R15: ffff8880323c49c0 [ 59.017447][ T5219] FS: 00005555919dc380(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 [ 59.026411][ T5219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.032985][ T5219] CR2: 00007f46f00c80f8 CR3: 00000000253ae000 CR4: 00000000003506f0 [ 59.041013][ T5219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.049117][ T5219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.057122][ T5219] Call Trace: [ 59.060405][ T5219] [ 59.063321][ T5219] ? __warn+0x163/0x4e0 [ 59.067555][ T5219] ? btrfs_create_pending_block_groups+0x14f9/0x1710 [ 59.074253][ T5219] ? report_bug+0x2b3/0x500 [ 59.078806][ T5219] ? btrfs_create_pending_block_groups+0x14f9/0x1710 [ 59.085532][ T5219] ? handle_bug+0x3e/0x70 [ 59.089854][ T5219] ? exc_invalid_op+0x1a/0x50 [ 59.094517][ T5219] ? asm_exc_invalid_op+0x1a/0x20 [ 59.099619][ T5219] ? __warn_printk+0x292/0x360 [ 59.104391][ T5219] ? btrfs_create_pending_block_groups+0x14f9/0x1710 [ 59.111168][ T5219] ? btrfs_inc_block_group_ro+0x640/0x700 [ 59.117033][ T5219] ? __pfx_btrfs_create_pending_block_groups+0x10/0x10 [ 59.123917][ T5219] ? btrfs_block_rsv_add+0xd0/0xf0 [ 59.129071][ T5219] ? __pfx_lock_release+0x10/0x10 [ 59.134089][ T5219] ? do_raw_spin_lock+0x14f/0x370 [ 59.139272][ T5219] ? __mutex_unlock_slowpath+0x21d/0x750 [ 59.144942][ T5219] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 59.150915][ T5219] ? btrfs_trans_release_metadata+0x233/0x330 [ 59.157032][ T5219] __btrfs_end_transaction+0x150/0x630 [ 59.162503][ T5219] btrfs_inc_block_group_ro+0x648/0x700 [ 59.168099][ T5219] btrfs_relocate_block_group+0x440/0xd90 [ 59.173861][ T5219] btrfs_relocate_chunk+0x12c/0x3b0 [ 59.179254][ T5219] __btrfs_balance+0x1b0f/0x26b0 [ 59.184317][ T5219] ? describe_balance_start_or_resume+0x44c/0x490 [ 59.190813][ T5219] ? __pfx___btrfs_balance+0x10/0x10 [ 59.196151][ T5219] ? __wait_for_common+0x6b0/0x6d0 [ 59.201277][ T5219] btrfs_balance+0xbdc/0x10c0 [ 59.206045][ T5219] btrfs_ioctl_balance+0x496/0x7d0 [ 59.211257][ T5219] ? __pfx_btrfs_ioctl+0x10/0x10 [ 59.216357][ T5219] __se_sys_ioctl+0xfc/0x170 [ 59.220970][ T5219] do_syscall_64+0xf3/0x230 [ 59.225537][ T5219] ? clear_bhb_loop+0x35/0x90 [ 59.230312][ T5219] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.236303][ T5219] RIP: 0033:0x7f46f004bae9 [ 59.240748][ T5219] 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 [ 59.260436][ T5219] RSP: 002b:00007ffcdde70d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 59.269012][ T5219] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f46f004bae9 [ 59.277138][ T5219] RDX: 0000000020000040 RSI: 00000000c4009420 RDI: 0000000000000003 [ 59.285164][ T5219] RBP: 00007f46f00c45f0 R08: 00005555919dd4c0 R09: 00005555919dd4c0 [ 59.293152][ T5219] R10: 0000000000005598 R11: 0000000000000246 R12: 00007ffcdde70da0 [ 59.301189][ T5219] R13: 00007ffcdde70fc8 R14: 431bde82d7b634db R15: 00007f46f009401d [ 59.309389][ T5219] [ 59.312757][ T5219] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 59.320040][ T5219] CPU: 1 UID: 0 PID: 5219 Comm: syz-executor144 Not tainted 6.11.0-rc7-syzkaller-00151-gd42f7708e27c #0 [ 59.331138][ T5219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 59.341184][ T5219] Call Trace: [ 59.344448][ T5219] [ 59.347371][ T5219] dump_stack_lvl+0x241/0x360 [ 59.352055][ T5219] ? __pfx_dump_stack_lvl+0x10/0x10 [ 59.357282][ T5219] ? __pfx__printk+0x10/0x10 [ 59.361877][ T5219] ? vscnprintf+0x5d/0x90 [ 59.366286][ T5219] panic+0x349/0x860 [ 59.370173][ T5219] ? __warn+0x172/0x4e0 [ 59.374310][ T5219] ? __pfx_panic+0x10/0x10 [ 59.378860][ T5219] __warn+0x346/0x4e0 [ 59.382845][ T5219] ? btrfs_create_pending_block_groups+0x14f9/0x1710 [ 59.389521][ T5219] report_bug+0x2b3/0x500 [ 59.393858][ T5219] ? btrfs_create_pending_block_groups+0x14f9/0x1710 [ 59.400555][ T5219] handle_bug+0x3e/0x70 [ 59.404724][ T5219] exc_invalid_op+0x1a/0x50 [ 59.409242][ T5219] asm_exc_invalid_op+0x1a/0x20 [ 59.414082][ T5219] RIP: 0010:btrfs_create_pending_block_groups+0x14f9/0x1710 [ 59.421382][ T5219] Code: c0 fd 4c 89 f7 be 03 00 00 00 e8 d2 58 d7 00 e9 86 f9 ff ff e8 a8 eb c0 fd 90 48 c7 c7 00 47 2e 8c 44 89 f6 e8 38 0f 83 fd 90 <0f> 0b 90 90 e9 7b fe ff ff e8 89 eb c0 fd 90 48 c7 c7 00 47 2e 8c [ 59.440981][ T5219] RSP: 0018:ffffc900034776a0 EFLAGS: 00010246 [ 59.447049][ T5219] RAX: 7f15963a9c8f3600 RBX: ffff88807c9b4001 RCX: ffff88802be1da00 [ 59.455012][ T5219] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.462972][ T5219] RBP: ffffc90003477960 R08: ffffffff8155b292 R09: fffffbfff1cba0e0 [ 59.470936][ T5219] R10: dffffc0000000000 R11: fffffbfff1cba0e0 R12: 0000000000000000 [ 59.478917][ T5219] R13: dffffc0000000000 R14: 00000000ffffffe4 R15: ffff8880323c49c0 [ 59.486885][ T5219] ? __warn_printk+0x292/0x360 [ 59.491671][ T5219] ? btrfs_inc_block_group_ro+0x640/0x700 [ 59.497387][ T5219] ? __pfx_btrfs_create_pending_block_groups+0x10/0x10 [ 59.504233][ T5219] ? btrfs_block_rsv_add+0xd0/0xf0 [ 59.509335][ T5219] ? __pfx_lock_release+0x10/0x10 [ 59.514352][ T5219] ? do_raw_spin_lock+0x14f/0x370 [ 59.519378][ T5219] ? __mutex_unlock_slowpath+0x21d/0x750 [ 59.525028][ T5219] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 59.530998][ T5219] ? btrfs_trans_release_metadata+0x233/0x330 [ 59.537060][ T5219] __btrfs_end_transaction+0x150/0x630 [ 59.542517][ T5219] btrfs_inc_block_group_ro+0x648/0x700 [ 59.548061][ T5219] btrfs_relocate_block_group+0x440/0xd90 [ 59.553785][ T5219] btrfs_relocate_chunk+0x12c/0x3b0 [ 59.558983][ T5219] __btrfs_balance+0x1b0f/0x26b0 [ 59.563929][ T5219] ? describe_balance_start_or_resume+0x44c/0x490 [ 59.570354][ T5219] ? __pfx___btrfs_balance+0x10/0x10 [ 59.575651][ T5219] ? __wait_for_common+0x6b0/0x6d0 [ 59.580764][ T5219] btrfs_balance+0xbdc/0x10c0 [ 59.585447][ T5219] btrfs_ioctl_balance+0x496/0x7d0 [ 59.590551][ T5219] ? __pfx_btrfs_ioctl+0x10/0x10 [ 59.595477][ T5219] __se_sys_ioctl+0xfc/0x170 [ 59.600062][ T5219] do_syscall_64+0xf3/0x230 [ 59.604554][ T5219] ? clear_bhb_loop+0x35/0x90 [ 59.609233][ T5219] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.615119][ T5219] RIP: 0033:0x7f46f004bae9 [ 59.619527][ T5219] 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 [ 59.639122][ T5219] RSP: 002b:00007ffcdde70d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 59.647527][ T5219] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f46f004bae9 [ 59.655488][ T5219] RDX: 0000000020000040 RSI: 00000000c4009420 RDI: 0000000000000003 [ 59.663452][ T5219] RBP: 00007f46f00c45f0 R08: 00005555919dd4c0 R09: 00005555919dd4c0 [ 59.671414][ T5219] R10: 0000000000005598 R11: 0000000000000246 R12: 00007ffcdde70da0 [ 59.679374][ T5219] R13: 00007ffcdde70fc8 R14: 431bde82d7b634db R15: 00007f46f009401d [ 59.687350][ T5219] [ 59.690571][ T5219] Kernel Offset: disabled [ 59.694954][ T5219] Rebooting in 86400 seconds..