./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2718968037
<...>
Warning: Permanently added '10.128.0.228' (ED25519) to the list of known hosts.
execve("./syz-executor2718968037", ["./syz-executor2718968037"], 0x7fffaf35ef60 /* 10 vars */) = 0
brk(NULL) = 0x55557b4d9000
brk(0x55557b4d9d00) = 0x55557b4d9d00
arch_prctl(ARCH_SET_FS, 0x55557b4d9380) = 0
set_tid_address(0x55557b4d9650) = 5829
set_robust_list(0x55557b4d9660, 24) = 0
rseq(0x55557b4d9ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2718968037", 4096) = 28
getrandom("\x1e\x0b\xdb\x07\x3a\xbc\xe4\xad", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55557b4d9d00
brk(0x55557b4fad00) = 0x55557b4fad00
brk(0x55557b4fb000) = 0x55557b4fb000
mprotect(0x7fe8d3bd6000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
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 5830 attached
, child_tidptr=0x55557b4d9650) = 5830
[pid 5830] set_robust_list(0x55557b4d9660, 24) = 0
[pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5830] setpgid(0, 0) = 0
[pid 5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5830] write(3, "1000", 4) = 4
[pid 5830] close(3) = 0
[pid 5830] write(1, "executing program\n", 18executing program
) = 18
[pid 5830] memfd_create("syzkaller", 0) = 3
[pid 5830] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe8cb600000
[pid 5830] 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 5830] munmap(0x7fe8cb600000, 138412032) = 0
[pid 5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5830] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5830] close(3) = 0
[pid 5830] close(4) = 0
[pid 5830] mkdir("./file1", 0777) = 0
[ 87.076736][ T5830] loop0: detected capacity change from 0 to 32768
[ 87.142721][ T5830] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,erasure_code,no_splitbrain_check,fsck,norecovery,nojournal_transaction_names,reconstruct_alloc
[ 87.142721][ T5830] allowing incompatible features above 0.0: (unknown version)
[ 87.142721][ T5830] features: lz4,new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes
[ 87.185524][ T5830] bcachefs (loop0): Using encoding defined by superblock: utf8-12.1.0
[ 87.194012][ T5830] bcachefs (loop0): recovering from clean shutdown, journal seq 10
[ 87.202595][ T5830] bcachefs (loop0): Version upgrade required:
[ 87.202595][ T5830] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete
[ 87.202595][ T5830] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.28: inode_has_case_insensitive
[ 87.202595][ T5830] running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,check_rebalance_work,set_fs_needs_rebalance
[ 87.276744][ T5830] bcachefs (loop0): dropping and reconstructing all alloc info
[pid 5830] mount("/dev/loop0", "./file1", "bcachefs", MS_SILENT, "fsck,inlineraded,str_hash=siphash,norecovery,discard,reconstruct_alloc,erasure_code,acl,no_splitbrai"...) = 0
[pid 5830] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid 5830] chdir("./file1") = 0
[pid 5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5830] ioctl(4, LOOP_CLR_FD) = 0
[pid 5830] close(4) = 0
[pid 5830] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 4
[ 87.300602][ T5830] bcachefs (loop0): accounting_read... done
[ 87.307647][ T5830] bcachefs (loop0): alloc_read... done
[ 87.313504][ T5830] bcachefs (loop0): snapshots_read... done
[ 87.320424][ T5830] bcachefs (loop0): done starting filesystem
[ 87.372006][ T5830] ------------[ cut here ]------------
[ 87.377705][ T5830] WARNING: CPU: 1 PID: 5830 at block/bio.c:513 bio_alloc_bioset+0xd45/0x1110
[ 87.386629][ T5830] Modules linked in:
[ 87.390649][ T5830] CPU: 1 UID: 0 PID: 5830 Comm: syz-executor271 Not tainted 6.16.0-rc1-syzkaller-00004-gaef17cb3d3c4 #0 PREEMPT(full)
[ 87.403410][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 87.414169][ T5830] RIP: 0010:bio_alloc_bioset+0xd45/0x1110
[ 87.420262][ T5830] Code: db f6 ff 81 ce 00 20 09 00 e8 47 2c 7f fd 48 85 c0 0f 84 8b 00 00 00 49 89 c7 e8 86 d2 28 fd e9 65 f8 ff ff e8 7c d2 28 fd 90 <0f> 0b 90 e9 41 fb ff ff e8 6e d2 28 fd 90 0f 0b 90 e9 04 fb ff ff
[ 87.440287][ T5830] RSP: 0018:ffffc900043ef220 EFLAGS: 00010293
[ 87.446687][ T5830] RAX: ffffffff84977b74 RBX: 0000000000000000 RCX: ffff88807a9d1e00
[ 87.454687][ T5830] RDX: 0000000000000000 RSI: 0000000000000100 RDI: 0000000000000000
[ 87.463079][ T5830] RBP: dffffc0000000000 R08: ffff888073f48948 R09: 1ffffd400008ff98
[ 87.471422][ T5830] R10: dffffc0000000000 R11: fffff9400008ff99 R12: 0000000000000001
[ 87.479441][ T5830] R13: ffff888073f48948 R14: ffff888073f48a60 R15: 0000000000000100
[ 87.487480][ T5830] FS: 000055557b4d9380(0000) GS:ffff888125d86000(0000) knlGS:0000000000000000
[ 87.496509][ T5830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 87.503098][ T5830] CR2: 000020000000a000 CR3: 0000000073ea0000 CR4: 00000000003526f0
[ 87.511142][ T5830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 87.519153][ T5830] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 87.527183][ T5830] Call Trace:
[ 87.530497][ T5830]
[ 87.533462][ T5830] ? folio_unlock+0x101/0x160
[ 87.538234][ T5830] __bch2_writepage+0x1581/0x2790
[ 87.543318][ T5830] ? __pfx___bch2_writepage+0x10/0x10
[ 87.548757][ T5830] write_cache_pages+0x64/0x100
[ 87.553651][ T5830] bch2_writepages+0xf9/0x2d0
[ 87.558396][ T5830] ? __pfx_bch2_writepages+0x10/0x10
[ 87.563720][ T5830] do_writepages+0x32b/0x550
[ 87.568391][ T5830] ? do_raw_spin_unlock+0x122/0x240
[ 87.573622][ T5830] file_write_and_wait_range+0x22c/0x330
[ 87.579330][ T5830] ? __pfx_file_write_and_wait_range+0x10/0x10
[ 87.585648][ T5830] bch2_fsync+0x127/0x330
[ 87.589996][ T5830] bch2_write_iter+0x2822/0x2b90
[ 87.595061][ T5830] ? __pfx_bch2_write_iter+0x10/0x10
[ 87.600385][ T5830] ? lockdep_hardirqs_on+0x9c/0x150
[ 87.605698][ T5830] do_iter_readv_writev+0x56b/0x7f0
[ 87.610938][ T5830] ? __pfx_do_iter_readv_writev+0x10/0x10
[ 87.616720][ T5830] ? rcu_read_lock_any_held+0xb3/0x120
[ 87.622230][ T5830] vfs_writev+0x31a/0x960
[ 87.626650][ T5830] ? __pfx_vfs_writev+0x10/0x10
[ 87.631530][ T5830] ? _raw_spin_lock_irq+0xae/0xf0
[ 87.636629][ T5830] ? _raw_spin_unlock_irq+0x2e/0x50
[ 87.641859][ T5830] __se_sys_pwritev2+0x179/0x290
[ 87.646853][ T5830] ? __pfx___se_sys_pwritev2+0x10/0x10
[ 87.652345][ T5830] ? __x64_sys_pwritev2+0x20/0xc0
[ 87.657439][ T5830] do_syscall_64+0xfa/0x3b0
[ 87.661980][ T5830] ? lockdep_hardirqs_on+0x9c/0x150
[ 87.667273][ T5830] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.673379][ T5830] ? clear_bhb_loop+0x60/0xb0
[ 87.678160][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.684082][ T5830] RIP: 0033:0x7fe8d3b5cdd9
[ 87.688560][ T5830] 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
[ 87.708228][ T5830] RSP: 002b:00007ffd85d31068 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
[ 87.716711][ T5830] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007fe8d3b5cdd9
[ 87.724726][ T5830] RDX: 0000000000000001 RSI: 00002000000001c0 RDI: 0000000000000004
[ 87.732763][ T5830] RBP: 00007fe8d3bd65f0 R08: 0000000000000000 R09: 0000000000000000
[ 87.740791][ T5830] R10: 0000000000000e7b R11: 0000000000000246 R12: 00007ffd85d310a0
[ 87.748832][ T5830] R13: 00007ffd85d312c8 R14: 431bde82d7b634db R15: 00007fe8d3ba603b
[ 87.756867][ T5830]
[ 87.759897][ T5830] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 87.767183][ T5830] CPU: 1 UID: 0 PID: 5830 Comm: syz-executor271 Not tainted 6.16.0-rc1-syzkaller-00004-gaef17cb3d3c4 #0 PREEMPT(full)
[ 87.779603][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 87.789678][ T5830] Call Trace:
[ 87.792959][ T5830]
[ 87.795907][ T5830] dump_stack_lvl+0x99/0x250
[ 87.800528][ T5830] ? __asan_memcpy+0x40/0x70
[ 87.805124][ T5830] ? __pfx_dump_stack_lvl+0x10/0x10
[ 87.810330][ T5830] ? __pfx__printk+0x10/0x10
[ 87.814938][ T5830] panic+0x2db/0x790
[ 87.818869][ T5830] ? __pfx_panic+0x10/0x10
[ 87.823300][ T5830] ? show_trace_log_lvl+0x4fb/0x550
[ 87.828533][ T5830] __warn+0x31b/0x4b0
[ 87.832534][ T5830] ? bio_alloc_bioset+0xd45/0x1110
[ 87.837657][ T5830] ? bio_alloc_bioset+0xd45/0x1110
[ 87.842779][ T5830] report_bug+0x2be/0x4f0
[ 87.847138][ T5830] ? bio_alloc_bioset+0xd45/0x1110
[ 87.852264][ T5830] ? bio_alloc_bioset+0xd45/0x1110
[ 87.857385][ T5830] ? bio_alloc_bioset+0xd47/0x1110
[ 87.862500][ T5830] handle_bug+0x84/0x160
[ 87.866752][ T5830] exc_invalid_op+0x1a/0x50
[ 87.871259][ T5830] asm_exc_invalid_op+0x1a/0x20
[ 87.876114][ T5830] RIP: 0010:bio_alloc_bioset+0xd45/0x1110
[ 87.881841][ T5830] Code: db f6 ff 81 ce 00 20 09 00 e8 47 2c 7f fd 48 85 c0 0f 84 8b 00 00 00 49 89 c7 e8 86 d2 28 fd e9 65 f8 ff ff e8 7c d2 28 fd 90 <0f> 0b 90 e9 41 fb ff ff e8 6e d2 28 fd 90 0f 0b 90 e9 04 fb ff ff
[ 87.901460][ T5830] RSP: 0018:ffffc900043ef220 EFLAGS: 00010293
[ 87.907567][ T5830] RAX: ffffffff84977b74 RBX: 0000000000000000 RCX: ffff88807a9d1e00
[ 87.915547][ T5830] RDX: 0000000000000000 RSI: 0000000000000100 RDI: 0000000000000000
[ 87.923556][ T5830] RBP: dffffc0000000000 R08: ffff888073f48948 R09: 1ffffd400008ff98
[ 87.931548][ T5830] R10: dffffc0000000000 R11: fffff9400008ff99 R12: 0000000000000001
[ 87.939535][ T5830] R13: ffff888073f48948 R14: ffff888073f48a60 R15: 0000000000000100
[ 87.947551][ T5830] ? bio_alloc_bioset+0xd44/0x1110
[ 87.952723][ T5830] ? folio_unlock+0x101/0x160
[ 87.957420][ T5830] __bch2_writepage+0x1581/0x2790
[ 87.962509][ T5830] ? __pfx___bch2_writepage+0x10/0x10
[ 87.967901][ T5830] write_cache_pages+0x64/0x100
[ 87.972792][ T5830] bch2_writepages+0xf9/0x2d0
[ 87.977521][ T5830] ? __pfx_bch2_writepages+0x10/0x10
[ 87.982836][ T5830] do_writepages+0x32b/0x550
[ 87.987476][ T5830] ? do_raw_spin_unlock+0x122/0x240
[ 87.992710][ T5830] file_write_and_wait_range+0x22c/0x330
[ 87.998368][ T5830] ? __pfx_file_write_and_wait_range+0x10/0x10
[ 88.004583][ T5830] bch2_fsync+0x127/0x330
[ 88.008942][ T5830] bch2_write_iter+0x2822/0x2b90
[ 88.013943][ T5830] ? __pfx_bch2_write_iter+0x10/0x10
[ 88.019256][ T5830] ? lockdep_hardirqs_on+0x9c/0x150
[ 88.024515][ T5830] do_iter_readv_writev+0x56b/0x7f0
[ 88.029745][ T5830] ? __pfx_do_iter_readv_writev+0x10/0x10
[ 88.035482][ T5830] ? rcu_read_lock_any_held+0xb3/0x120
[ 88.040975][ T5830] vfs_writev+0x31a/0x960
[ 88.045330][ T5830] ? __pfx_vfs_writev+0x10/0x10
[ 88.050217][ T5830] ? _raw_spin_lock_irq+0xae/0xf0
[ 88.055288][ T5830] ? _raw_spin_unlock_irq+0x2e/0x50
[ 88.060512][ T5830] __se_sys_pwritev2+0x179/0x290
[ 88.065466][ T5830] ? __pfx___se_sys_pwritev2+0x10/0x10
[ 88.071060][ T5830] ? __x64_sys_pwritev2+0x20/0xc0
[ 88.076107][ T5830] do_syscall_64+0xfa/0x3b0
[ 88.080631][ T5830] ? lockdep_hardirqs_on+0x9c/0x150
[ 88.085847][ T5830] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 88.091929][ T5830] ? clear_bhb_loop+0x60/0xb0
[ 88.096626][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 88.102532][ T5830] RIP: 0033:0x7fe8d3b5cdd9
[ 88.106962][ T5830] 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
[ 88.126588][ T5830] RSP: 002b:00007ffd85d31068 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
[ 88.135016][ T5830] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007fe8d3b5cdd9
[ 88.142999][ T5830] RDX: 0000000000000001 RSI: 00002000000001c0 RDI: 0000000000000004
[ 88.150985][ T5830] RBP: 00007fe8d3bd65f0 R08: 0000000000000000 R09: 0000000000000000
[ 88.158968][ T5830] R10: 0000000000000e7b R11: 0000000000000246 R12: 00007ffd85d310a0
[ 88.166969][ T5830] R13: 00007ffd85d312c8 R14: 431bde82d7b634db R15: 00007fe8d3ba603b
[ 88.174968][ T5830]
[ 88.178325][ T5830] Kernel Offset: disabled
[ 88.182662][ T5830] Rebooting in 86400 seconds..