./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2824177427 <...> Warning: Permanently added '10.128.1.56' (ED25519) to the list of known hosts. execve("./syz-executor2824177427", ["./syz-executor2824177427"], 0x7ffe1ba2c7d0 /* 10 vars */) = 0 brk(NULL) = 0x555572c0e000 brk(0x555572c0ed00) = 0x555572c0ed00 arch_prctl(ARCH_SET_FS, 0x555572c0e380) = 0 set_tid_address(0x555572c0e650) = 5083 set_robust_list(0x555572c0e660, 24) = 0 rseq(0x555572c0eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2824177427", 4096) = 28 getrandom("\x4b\xa5\xb3\x3e\x79\x9c\x4b\xe2", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555572c0ed00 brk(0x555572c2fd00) = 0x555572c2fd00 brk(0x555572c30000) = 0x555572c30000 mprotect(0x7f8443e4d000, 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 getrandom("\x40\x99\xf6\x99\xc2\xaa\x97\x1f", 8, GRND_NONBLOCK) = 8 mkdir("./syzkaller.6L0GQN", 0700) = 0 chmod("./syzkaller.6L0GQN", 0777) = 0 chdir("./syzkaller.6L0GQN") = 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 5084 attached , child_tidptr=0x555572c0e650) = 5084 [pid 5084] set_robust_list(0x555572c0e660, 24) = 0 [pid 5084] chdir("./0") = 0 [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5084] setpgid(0, 0) = 0 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "1000", 4) = 4 [pid 5084] close(3) = 0 [pid 5084] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5084] write(1, "executing program\n", 18executing program ) = 18 [pid 5084] memfd_create("syzkaller", 0) = 3 [pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f843b800000 [pid 5084] 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 5084] munmap(0x7f843b800000, 138412032) = 0 [pid 5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5084] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5084] close(3) = 0 [pid 5084] close(4) = 0 [pid 5084] mkdir("./file1", 0777) = 0 [ 77.422730][ T5084] loop0: detected capacity change from 0 to 32768 [ 77.448128][ T5084] bcachefs (/dev/loop0): error reading default superblock: Not a bcachefs superblock (got magic c68573f6-4e1a-4502-8265-f57f48ba6d81) [ 77.517665][ T5084] bcachefs (loop0): mounting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names [ 77.533629][ T5084] bcachefs (loop0): recovering from clean shutdown, journal seq 13 [pid 5084] mount("/dev/loop0", "./file1", "bcachefs", MS_NOSUID|MS_SYNCHRONOUS|MS_RELATIME, "") = 0 [pid 5084] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5084] chdir("./file1") = 0 [pid 5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5084] ioctl(4, LOOP_CLR_FD) = 0 [ 77.558144][ T5084] bcachefs (loop0): alloc_read... done [ 77.564103][ T5084] bcachefs (loop0): stripes_read... done [ 77.570034][ T5084] bcachefs (loop0): snapshots_read... done [ 77.579581][ T5084] bcachefs (loop0): journal_replay... done [ 77.585477][ T5084] bcachefs (loop0): resume_logged_ops... done [ 77.591992][ T5084] bcachefs (loop0): going read-write [ 77.601615][ T5084] bcachefs (loop0): done starting filesystem [pid 5084] close(4) = 0 [pid 5084] mount(NULL, "./file0", "ramfs", 0, NULL) = 0 [pid 5084] exit_group(0) = ? [pid 5084] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5084, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=32 /* 0.32 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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, 0x555572c0f6f0 /* 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 umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555572c17730 /* 3 entries */, 32768) = 80 umount2("./0/file1/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file1/lost+found", {st_mode=S_IFDIR|0700, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/file1/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0/file1/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=0, ...}, AT_EMPTY_PATH) = 0 getdents64(5, 0x555572c1f770 /* 2 entries */, 32768) = 48 getdents64(5, 0x555572c1f770 /* 0 entries */, 32768) = 0 close(5) = 0 rmdir("./0/file1/lost+found") = 0 getdents64(4, 0x555572c17730 /* 1 entries */, 32768) = 32 umount2("./0/file1/file3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file1/file3", {st_mode=S_IFREG|0755, st_size=9000, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/file1/file3") = 0 getdents64(4, 0x555572c17730 /* 1 entries */, 32768) = 32 umount2("./0/file1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./0/file1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file1/file0", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/file1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0/file1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 newfstatat(5, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 getdents64(5, 0x555572c1f770 /* 3 entries */, 32768) = 80 umount2("./0/file1/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file1/file0/file0", {st_mode=S_IFREG|0755, st_size=1050, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/file1/file0/file0") = 0 getdents64(5, 0x555572c1f770 /* 0 entries */, 32768) = 0 close(5) = 0 rmdir("./0/file1/file0") = 0 getdents64(4, 0x555572c17730 /* 1 entries */, 32768) = 32 umount2("./0/file1/file2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file1/file2", {st_mode=S_IFREG|0755, st_size=9000, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 77.824288][ T5083] ------------[ cut here ]------------ [ 77.830177][ T5083] kernel BUG at fs/bcachefs/journal.c:105! [ 77.836042][ T5083] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 77.843008][ T5083] CPU: 1 PID: 5083 Comm: syz-executor282 Not tainted 6.10.0-rc6-syzkaller-00212-g1dd28064d416 #0 [ 77.853523][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 77.863602][ T5083] RIP: 0010:bch2_journal_noflush_seq+0x320/0x330 [ 77.869943][ T5083] Code: e8 f5 ba 65 fd 48 8b 3c 24 e8 6c a3 57 07 44 89 f0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 d1 ba 65 fd 90 <0f> 0b e8 c9 ba 65 fd 90 0f 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 [ 77.889564][ T5083] RSP: 0018:ffffc90002eeed78 EFLAGS: 00010293 [ 77.895655][ T5083] RAX: ffffffff84306bef RBX: 000000000000000e RCX: ffff8880264f0000 [ 77.903643][ T5083] RDX: 0000000000000000 RSI: 000000000000000f RDI: 000000000000000e [ 77.911623][ T5083] RBP: ffff888076a4aa80 R08: ffffffff84306a49 R09: 1ffff1100ed4954f [ 77.919586][ T5083] R10: dffffc0000000000 R11: ffffed100ed49550 R12: ffff888076a4a548 [ 77.927551][ T5083] R13: dffffc0000000000 R14: 008bf40000000001 R15: 000000000000000f [ 77.935535][ T5083] FS: 0000555572c0e380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 77.944456][ T5083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.951031][ T5083] CR2: 0000555572c1f738 CR3: 000000007ab70000 CR4: 00000000003506f0 [ 77.958997][ T5083] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.966976][ T5083] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.974961][ T5083] Call Trace: [ 77.978254][ T5083] [ 77.981180][ T5083] ? __die_body+0x88/0xe0 [ 77.985553][ T5083] ? die+0xcf/0x110 [ 77.989361][ T5083] ? do_trap+0x15a/0x3a0 [ 77.993601][ T5083] ? bch2_journal_noflush_seq+0x320/0x330 [ 77.999312][ T5083] ? do_error_trap+0x1dc/0x2c0 [ 78.004072][ T5083] ? bch2_journal_noflush_seq+0x320/0x330 [ 78.009790][ T5083] ? __pfx_do_error_trap+0x10/0x10 [ 78.014910][ T5083] ? handle_invalid_op+0x34/0x40 [ 78.019844][ T5083] ? bch2_journal_noflush_seq+0x320/0x330 [ 78.025555][ T5083] ? exc_invalid_op+0x38/0x50 [ 78.030242][ T5083] ? asm_exc_invalid_op+0x1a/0x20 [ 78.035284][ T5083] ? bch2_journal_noflush_seq+0x179/0x330 [ 78.040996][ T5083] ? bch2_journal_noflush_seq+0x31f/0x330 [ 78.046726][ T5083] ? bch2_journal_noflush_seq+0x320/0x330 [ 78.052440][ T5083] ? bch2_journal_noflush_seq+0x31f/0x330 [ 78.058153][ T5083] bch2_trigger_alloc+0xa4a/0x3e10 [ 78.063286][ T5083] ? validate_chain+0x15b1/0x5900 [ 78.068310][ T5083] ? __pfx_bch2_trigger_alloc+0x10/0x10 [ 78.073854][ T5083] ? __pfx_validate_chain+0x10/0x10 [ 78.079054][ T5083] ? __asan_memcpy+0x40/0x70 [ 78.083645][ T5083] ? __pfx_bch2_btree_path_peek_slot+0x10/0x10 [ 78.089806][ T5083] ? verify_update_old_key+0x3a1/0x930 [ 78.095261][ T5083] ? verify_update_old_key+0x445/0x930 [ 78.100738][ T5083] ? __pfx_verify_update_old_key+0x10/0x10 [ 78.106550][ T5083] ? __pfx_bch2_trigger_alloc+0x10/0x10 [ 78.112089][ T5083] run_one_mem_trigger+0x7e9/0xb90 [ 78.117201][ T5083] ? __pfx_run_one_mem_trigger+0x10/0x10 [ 78.122842][ T5083] ? rcu_read_lock_any_held+0xb7/0x160 [ 78.128298][ T5083] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 78.134188][ T5083] ? rcu_read_lock_any_held+0xb7/0x160 [ 78.139683][ T5083] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 78.145589][ T5083] ? percpu_up_read+0xdc/0x1b0 [ 78.150361][ T5083] ? bch2_trans_account_disk_usage_change+0x4ae/0x640 [ 78.157137][ T5083] __bch2_trans_commit+0x5083/0x88e0 [ 78.162460][ T5083] ? __pfx___bch2_trans_commit+0x10/0x10 [ 78.168087][ T5083] ? stack_trace_save+0x118/0x1d0 [ 78.173114][ T5083] ? __pfx_stack_trace_save+0x10/0x10 [ 78.178491][ T5083] ? bch2_inode_delete_keys+0x7ea/0x1440 [ 78.184125][ T5083] bch2_inode_delete_keys+0xae8/0x1440 [ 78.189614][ T5083] ? __pfx_bch2_inode_delete_keys+0x10/0x10 [ 78.195529][ T5083] ? bch2_inode_delete_keys+0x300/0x1440 [ 78.201291][ T5083] ? __bch2_trans_get+0x717/0xce0 [ 78.206346][ T5083] ? rcu_is_watching+0x15/0xb0 [ 78.211111][ T5083] ? __bch2_trans_get+0x717/0xce0 [ 78.216251][ T5083] ? __bch2_trans_get+0x910/0xce0 [ 78.221300][ T5083] bch2_inode_rm+0x165/0xd40 [ 78.225907][ T5083] ? __pfx_bch2_inode_rm+0x10/0x10 [ 78.231043][ T5083] ? __pfx_flush_warnings+0x10/0x10 [ 78.236279][ T5083] ? lockdep_hardirqs_on+0x99/0x150 [ 78.241506][ T5083] ? _raw_spin_unlock_irq+0x2e/0x50 [ 78.246730][ T5083] bch2_evict_inode+0x21c/0x3c0 [ 78.251605][ T5083] ? __pfx_bch2_evict_inode+0x10/0x10 [ 78.257065][ T5083] evict+0x2a8/0x630 [ 78.260974][ T5083] do_unlinkat+0x512/0x830 [ 78.265394][ T5083] ? __pfx_do_unlinkat+0x10/0x10 [ 78.270346][ T5083] ? __might_fault+0xc6/0x120 [ 78.275036][ T5083] ? strncpy_from_user+0x1a4/0x2f0 [ 78.280163][ T5083] __x64_sys_unlink+0x49/0x60 [ 78.284834][ T5083] do_syscall_64+0xf3/0x230 [ 78.289339][ T5083] ? clear_bhb_loop+0x35/0x90 [ 78.294018][ T5083] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.299930][ T5083] RIP: 0033:0x7f8443dc9b17 [ 78.304348][ T5083] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 78.323945][ T5083] RSP: 002b:00007ffc4d875828 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 [ 78.332352][ T5083] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8443dc9b17 [ 78.340315][ T5083] RDX: 00007ffc4d875850 RSI: 00007ffc4d8758e0 RDI: 00007ffc4d8758e0 [ 78.348284][ T5083] RBP: 00007ffc4d8758e0 R08: 0000000000000000 R09: 0000000000000000 [ 78.356260][ T5083] R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffc4d8769d0 [ 78.364227][ T5083] R13: 0000555572c17700 R14: 0000000000000001 R15: 431bde82d7b634db [ 78.372198][ T5083] [ 78.375206][ T5083] Modules linked in: [ 78.379290][ T5083] ---[ end trace 0000000000000000 ]--- [ 78.384771][ T5083] RIP: 0010:bch2_journal_noflush_seq+0x320/0x330 [ 78.391155][ T5083] Code: e8 f5 ba 65 fd 48 8b 3c 24 e8 6c a3 57 07 44 89 f0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 d1 ba 65 fd 90 <0f> 0b e8 c9 ba 65 fd 90 0f 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 [ 78.410817][ T5083] RSP: 0018:ffffc90002eeed78 EFLAGS: 00010293 [ 78.416926][ T5083] RAX: ffffffff84306bef RBX: 000000000000000e RCX: ffff8880264f0000 [ 78.424946][ T5083] RDX: 0000000000000000 RSI: 000000000000000f RDI: 000000000000000e [ 78.432936][ T5083] RBP: ffff888076a4aa80 R08: ffffffff84306a49 R09: 1ffff1100ed4954f [ 78.440968][ T5083] R10: dffffc0000000000 R11: ffffed100ed49550 R12: ffff888076a4a548 [ 78.448996][ T5083] R13: dffffc0000000000 R14: 008bf40000000001 R15: 000000000000000f [ 78.456973][ T5083] FS: 0000555572c0e380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 78.465946][ T5083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.472566][ T5083] CR2: 0000555572c1f738 CR3: 000000007ab70000 CR4: 00000000003506f0 [ 78.480575][ T5083] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.488562][ T5083] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.496554][ T5083] Kernel panic - not syncing: Fatal exception [ 78.502757][ T5083] Kernel Offset: disabled [ 78.507079][ T5083] Rebooting in 86400 seconds..