./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1664198355 <...> Warning: Permanently added '10.128.0.24' (ED25519) to the list of known hosts. execve("./syz-executor1664198355", ["./syz-executor1664198355"], 0x7ffff15325a0 /* 10 vars */) = 0 brk(NULL) = 0x55559294e000 brk(0x55559294ee00) = 0x55559294ee00 arch_prctl(ARCH_SET_FS, 0x55559294e480) = 0 set_tid_address(0x55559294e750) = 5235 set_robust_list(0x55559294e760, 24) = 0 rseq(0x55559294eda0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1664198355", 4096) = 28 getrandom("\x11\x95\x6e\x3e\x3d\xd4\x55\xdf", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55559294ee00 brk(0x55559296fe00) = 0x55559296fe00 brk(0x555592970000) = 0x555592970000 mprotect(0x7fd4cc9aa000, 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 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7fd4cc8fb940, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fd4cc9041b0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fd4cc8fb940, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fd4cc9041b0}, NULL, 8) = 0 mkdir("./syzkaller.v0dTmm", 0700) = 0 chmod("./syzkaller.v0dTmm", 0777) = 0 chdir("./syzkaller.v0dTmm") = 0 mkdir("./0", 0777) = 0 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 5237 attached , child_tidptr=0x55559294e750) = 5237 [pid 5237] set_robust_list(0x55559294e760, 24) = 0 [pid 5237] chdir("./0") = 0 [pid 5237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5237] setpgid(0, 0) = 0 [pid 5237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5237] write(3, "1000", 4) = 4 [pid 5237] close(3) = 0 [pid 5237] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5237] write(1, "executing program\n", 18) = 18 [pid 5237] memfd_create("syzkaller", 0) = 3 [pid 5237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd4c4400000 [pid 5237] 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 5237] munmap(0x7fd4c4400000, 138412032) = 0 [pid 5237] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5237] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5237] close(3) = 0 [pid 5237] close(4) = 0 [pid 5237] mkdir("./file1", 0777) = 0 [ 140.073225][ T5237] loop0: detected capacity change from 0 to 32768 [ 140.136503][ T5237] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=xxhash,compression=lz4,fsck,norecovery,nojournal_transaction_names,reconstruct_alloc,no_data_io [ 140.156251][ T5237] bcachefs (loop0): recovering from clean shutdown, journal seq 10 [ 140.164554][ T5237] bcachefs (loop0): Version upgrade required: [ 140.164554][ T5237] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete [ 140.164554][ T5237] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots [ 140.164554][ T5237] 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,set_fs_needs_rebalance [ 140.237660][ T5237] bcachefs (loop0): dropping and reconstructing all alloc info [ 140.254791][ T5237] bcachefs (loop0): check_topology... done [ 140.260677][ T5237] bcachefs (loop0): accounting_read... done [ 140.267600][ T5237] bcachefs (loop0): alloc_read... done [ 140.273193][ T5237] bcachefs (loop0): stripes_read... done [ 140.278905][ T5237] bcachefs (loop0): snapshots_read... done [pid 5237] mount("/dev/loop0", "./file1", "bcachefs", MS_I_VERSION, "data_checksum=xxhash,direct_io,norecovery,fsck,journal_flush_disabledy,btree_node_mem_ptr_optimizati"...) = 0 [pid 5237] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5237] chdir("./file1") = 0 [pid 5237] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5237] ioctl(4, LOOP_CLR_FD) = 0 [ 140.285032][ T5237] bcachefs (loop0): check_allocations... done [ 140.304839][ T5237] bcachefs (loop0): going read-write [ 140.314757][ T5237] bcachefs (loop0): done starting filesystem [pid 5237] close(4) = 0 [pid 5237] openat(AT_FDCWD, "./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 4 [pid 5237] renameat2(-1, NULL, -1, NULL, RENAME_EXCHANGE) = -1 EFAULT (Bad address) [pid 5237] exit_group(0) = ? [pid 5237] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5237, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55559294f7f0 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 [ 140.386985][ T5237] syz-executor166 (5237) used greatest stack depth: 17968 bytes left [ 140.447544][ T5235] bcachefs (loop0): shutting down [ 140.453072][ T5235] bcachefs (loop0): going read-only [ 140.458573][ T5235] bcachefs (loop0): finished waiting for writes to stop [ 140.470586][ T5235] bcachefs (loop0): flushing journal and stopping allocators, journal seq 12 [ 140.492921][ T5235] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 13 [ 140.505824][ T3517] bcachefs (loop0): bch2_write_super(): fatal error loop0: Superblock write was silently dropped! (seq 0 expected 53) [ 140.513569][ T5235] bcachefs (loop0): unshutdown complete, journal seq 14 [ 140.522619][ T3517] bcachefs (loop0): fatal error - emergency read only [ 140.532954][ T3517] ------------[ cut here ]------------ [ 140.538511][ T3517] kernel BUG at fs/bcachefs/journal.h:375! [ 140.544777][ T3517] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 140.551724][ T3517] CPU: 0 UID: 0 PID: 3517 Comm: kworker/u8:7 Not tainted 6.12.0-rc4-syzkaller #0 [ 140.560821][ T3517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 140.570873][ T3517] Workqueue: btree_update btree_interior_update_work [ 140.577556][ T3517] RIP: 0010:__bch2_trans_commit+0x9232/0x93c0 [ 140.583619][ T3517] Code: fd 90 0f 0b e8 df ba 78 fd 90 0f 0b e8 d7 ba 78 fd 90 0f 0b e8 cf ba 78 fd 90 0f 0b e8 c7 ba 78 fd 90 0f 0b e8 bf ba 78 fd 90 <0f> 0b e8 b7 ba 78 fd 90 0f 0b e8 af ba 78 fd 90 0f 0b e8 a7 ba 78 [ 140.603220][ T3517] RSP: 0018:ffffc9000b6376c0 EFLAGS: 00010293 [ 140.609295][ T3517] RAX: ffffffff841c2cd1 RBX: 0000000000000000 RCX: ffff8880308a1e00 [ 140.617263][ T3517] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 140.625227][ T3517] RBP: ffffc9000b637890 R08: ffffffff841bd008 R09: 1ffff1100e7a94a8 [ 140.633188][ T3517] R10: dffffc0000000000 R11: ffffed100e7a94a9 R12: ffff888073d00000 [ 140.641164][ T3517] R13: ffff888073d4a500 R14: 0000000000000044 R15: ffff88807442c0d0 [ 140.649139][ T3517] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 140.658060][ T3517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 140.664627][ T3517] CR2: 00007ffc59933fb8 CR3: 000000002fcc2000 CR4: 00000000003526f0 [ 140.672586][ T3517] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 140.680538][ T3517] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 140.688494][ T3517] Call Trace: [ 140.691758][ T3517] [ 140.694680][ T3517] ? __die_body+0x5f/0xb0 [ 140.699024][ T3517] ? die+0x9e/0xc0 [ 140.702732][ T3517] ? do_trap+0x15a/0x3a0 [ 140.706967][ T3517] ? __bch2_trans_commit+0x9232/0x93c0 [ 140.712416][ T3517] ? do_error_trap+0x1dc/0x2c0 [ 140.717189][ T3517] ? __bch2_trans_commit+0x9232/0x93c0 [ 140.722657][ T3517] ? __pfx_do_error_trap+0x10/0x10 [ 140.727773][ T3517] ? report_bug+0x3e8/0x500 [ 140.732296][ T3517] ? handle_invalid_op+0x34/0x40 [ 140.737218][ T3517] ? __bch2_trans_commit+0x9232/0x93c0 [ 140.742687][ T3517] ? exc_invalid_op+0x38/0x50 [ 140.747394][ T3517] ? asm_exc_invalid_op+0x1a/0x20 [ 140.752755][ T3517] ? __bch2_trans_commit+0x3568/0x93c0 [ 140.758200][ T3517] ? __bch2_trans_commit+0x9231/0x93c0 [ 140.763647][ T3517] ? __bch2_trans_commit+0x9232/0x93c0 [ 140.769119][ T3517] ? __pfx___bch2_trans_commit+0x10/0x10 [ 140.774753][ T3517] ? bch2_dev_btree_bitmap_marked+0x2f/0xda0 [ 140.780727][ T3517] ? __bch2_trans_jset_entry_alloc+0x2c7/0x4b0 [ 140.786881][ T3517] ? btree_interior_update_work+0x117a/0x2b10 [ 140.792939][ T3517] btree_interior_update_work+0x1492/0x2b10 [ 140.798827][ T3517] ? __pfx_btree_interior_update_work+0x10/0x10 [ 140.805065][ T3517] ? __pfx_lock_acquire+0x10/0x10 [ 140.810078][ T3517] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 140.816050][ T3517] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 140.822367][ T3517] ? process_scheduled_works+0x976/0x1850 [ 140.828081][ T3517] process_scheduled_works+0xa63/0x1850 [ 140.833622][ T3517] ? __pfx_process_scheduled_works+0x10/0x10 [ 140.839588][ T3517] ? assign_work+0x364/0x3d0 [ 140.844167][ T3517] worker_thread+0x870/0xd30 [ 140.848746][ T3517] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 140.854629][ T3517] ? __kthread_parkme+0x169/0x1d0 [ 140.859643][ T3517] ? __pfx_worker_thread+0x10/0x10 [ 140.864742][ T3517] kthread+0x2f0/0x390 [ 140.868827][ T3517] ? __pfx_worker_thread+0x10/0x10 [ 140.873927][ T3517] ? __pfx_kthread+0x10/0x10 [ 140.878500][ T3517] ret_from_fork+0x4b/0x80 [ 140.882910][ T3517] ? __pfx_kthread+0x10/0x10 [ 140.887506][ T3517] ret_from_fork_asm+0x1a/0x30 [ 140.892458][ T3517] [ 140.895561][ T3517] Modules linked in: [ 140.899647][ T3517] ---[ end trace 0000000000000000 ]--- [ 140.905262][ T3517] RIP: 0010:__bch2_trans_commit+0x9232/0x93c0 [ 140.911346][ T3517] Code: fd 90 0f 0b e8 df ba 78 fd 90 0f 0b e8 d7 ba 78 fd 90 0f 0b e8 cf ba 78 fd 90 0f 0b e8 c7 ba 78 fd 90 0f 0b e8 bf ba 78 fd 90 <0f> 0b e8 b7 ba 78 fd 90 0f 0b e8 af ba 78 fd 90 0f 0b e8 a7 ba 78 [ 140.931070][ T3517] RSP: 0018:ffffc9000b6376c0 EFLAGS: 00010293 [ 140.937231][ T3517] RAX: ffffffff841c2cd1 RBX: 0000000000000000 RCX: ffff8880308a1e00 [ 140.945237][ T3517] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 140.953234][ T3517] RBP: ffffc9000b637890 R08: ffffffff841bd008 R09: 1ffff1100e7a94a8 [ 140.961213][ T3517] R10: dffffc0000000000 R11: ffffed100e7a94a9 R12: ffff888073d00000 [ 140.969267][ T3517] R13: ffff888073d4a500 R14: 0000000000000044 R15: ffff88807442c0d0 [ 140.977270][ T3517] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 140.986298][ T3517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 140.992981][ T3517] CR2: 000055d4afee50f8 CR3: 000000000e734000 CR4: 00000000003526f0 [ 141.000979][ T3517] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 141.009088][ T3517] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 141.017110][ T3517] Kernel panic - not syncing: Fatal exception [ 141.023433][ T3517] Kernel Offset: disabled [ 141.027746][ T3517] Rebooting in 86400 seconds..