./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor119194970 <...> Warning: Permanently added '10.128.10.59' (ECDSA) to the list of known hosts. execve("./syz-executor119194970", ["./syz-executor119194970"], 0x7ffcc0396fa0 /* 10 vars */) = 0 brk(NULL) = 0x555556589000 brk(0x555556589c40) = 0x555556589c40 arch_prctl(ARCH_SET_FS, 0x555556589300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor119194970", 4096) = 27 brk(0x5555565aac40) = 0x5555565aac40 brk(0x5555565ab000) = 0x5555565ab000 mprotect(0x7f75243e9000, 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 memfd_create("syzkaller", 0) = 3 ftruncate(3, 4194320) = 0 pwrite64(3, "\x8c\xb6\x37", 3, 1) = 3 pwrite64(3, "\x00\x84\x09", 3, 4) = 3 pwrite64(3, "\xcf\x58\xf9\xb6\xb0\x97\x28\x72\x18\xce\x56\xf2\x50\xb4\x26\xfd\x15\x34\xa8\x24\x13\x97\xcf\xab\x6d\x88\x16\xfa\x4b\xb4\x5c\x3f\x9f\xdd\xf8\x76\xb2\x69\xc1\xe8\x59\xce\xbe\x21\xb7\xd9\x24\x4b\x1f\xd8\xf4\x11\xc2\xe7\x5b\x40\x44\x0e\x6e\x93\x65\x6e\xcb\xb4\x9b\xee\xac\x1c\x75\x71\x47\x8c\xa3\xc9\x9e\xc9\x07\x4a\xeb\xad\xf4\x46\x2d\x55\x73\x8c\xec\xdf\x1a\xe2\x86\x2f\x84\x19\x26\xf1\x5b\x27\x70\x6d"..., 205, 7) = 205 pwrite64(3, "\x00\x04\x00\x00\xec\x01\x00\x00\x13\x02\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x00\x61\x1c\xad\x49\xe1\x00\x00\x00\x1e\x00\x00\x00\x00\x00\x00\x00\x00\x10\xcc\x03\x10\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x02\x00\x00\x00\x02\x00\x01\x00\x02\x00\x01\x02\x00\x00\x00\x00\x01\x00\x00\x00\x12\x31\x2a\x23\x12\x12\x33\x12\x33\x12\x31\x12\x34\x13\x41\x24"..., 128, 65536) = 128 pwrite64(3, "\x00\x00\x00\x00\x00\x00\x05\x00\x08\x00\x00\x00\x01\x10\x00\x00\x03\x10\x00\x48\xb2\x56\x07\x81\x8b\x96\xe2\x7e\xa5\x80\x19\x56\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x9e\x08", 45, 65728) = 45 pwrite64(3, "\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x00\x61\x1c\xad\x49\xe1\x00\x00\x00\x1e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf4\x50\x98\x12\x2a\x16\x2b\x00\x17\x31\xda\x04\x98\x0e\x00\x00\x66\xd9\xca\x9b\x08\x8f\x7a\xfe\xe7\x42\xa2\xaa\xc9\x3d\x10\x58\x68\xc7\x2e\xdb"..., 185, 2170880) = 185 pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x02\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 96, 2174976) = 96 pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\xe2\xff\x00\x00\x00\x00\xed\x41\x00\x00\x03\x00\x00\x3a\xc1\x65\x5f\x3a\xc1\x65\x5f\x3a\xc1\x65\xea\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf3\xff", 82, 2178976) = 82 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 mkdir("./file0", 0777) = 0 [ 56.533165][ T3611] loop0: detected capacity change from 0 to 8192 [ 56.546372][ T3611] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 56.559812][ T3611] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 56.569349][ T3611] REISERFS (device loop0): using ordered data mode [ 56.575857][ T3611] reiserfs: using flush barriers mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_NOATIME|MS_RELATIME, "") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 ioctl(4, LOOP_CLR_FD) = 0 [ 56.582330][ T3611] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 56.599269][ T3611] REISERFS (device loop0): checking transaction log (loop0) [ 56.609176][ T3611] REISERFS (device loop0): Using rupasov hash to sort names [ 56.617688][ T3611] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 56.631304][ T3611] close(4) = 0 close(3) = 0 open(NULL, O_RDONLY) = -1 EFAULT (Bad address) ioctl(-1, _IOC(_IOC_WRITE, 0x66, 0x8, 0x28), 0) = -1 EBADF (Bad file descriptor) [ 56.633671][ T3611] ====================================================== [ 56.640707][ T3611] WARNING: possible circular locking dependency detected [ 56.647743][ T3611] 6.1.0-rc4-syzkaller-00159-g4bbf3422df78 #0 Not tainted [ 56.654783][ T3611] ------------------------------------------------------ [ 56.661810][ T3611] syz-executor119/3611 is trying to acquire lock: [ 56.668218][ T3611] ffffc90003cd10f0 (&journal->j_mutex){+.+.}-{3:3}, at: do_journal_begin_r+0x340/0x1070 [ 56.677975][ T3611] [ 56.677975][ T3611] but task is already holding lock: [ 56.685330][ T3611] ffff888021a84460 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write_file+0x5a/0x1f0 [ 56.694642][ T3611] [ 56.694642][ T3611] which lock already depends on the new lock. [ 56.694642][ T3611] [ 56.705053][ T3611] [ 56.705053][ T3611] the existing dependency chain (in reverse order) is: [ 56.714061][ T3611] [ 56.714061][ T3611] -> #2 (sb_writers#9){.+.+}-{0:0}: [ 56.721459][ T3611] lock_acquire+0x182/0x3c0 [ 56.726494][ T3611] sb_start_write+0x4d/0x1a0 [ 56.731618][ T3611] mnt_want_write_file+0x5a/0x1f0 [ 56.737166][ T3611] reiserfs_ioctl+0x16e/0x340 [ 56.742370][ T3611] __se_sys_ioctl+0xfb/0x170 [ 56.747487][ T3611] do_syscall_64+0x3d/0xb0 [ 56.752458][ T3611] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.758880][ T3611] [ 56.758880][ T3611] -> #1 (&sbi->lock){+.+.}-{3:3}: [ 56.766091][ T3611] lock_acquire+0x182/0x3c0 [ 56.771120][ T3611] __mutex_lock_common+0x1bd/0x26e0 [ 56.776840][ T3611] mutex_lock_nested+0x17/0x20 [ 56.782125][ T3611] reiserfs_write_lock_nested+0x5b/0xd0 [ 56.788199][ T3611] do_journal_begin_r+0x34b/0x1070 [ 56.794023][ T3611] journal_begin+0x14b/0x350 [ 56.799426][ T3611] reiserfs_fill_super+0x172b/0x24a0 [ 56.805244][ T3611] mount_bdev+0x26c/0x3a0 [ 56.810268][ T3611] legacy_get_tree+0xea/0x180 [ 56.815475][ T3611] vfs_get_tree+0x88/0x270 [ 56.820418][ T3611] do_new_mount+0x289/0xad0 [ 56.825446][ T3611] __se_sys_mount+0x2d3/0x3c0 [ 56.830650][ T3611] do_syscall_64+0x3d/0xb0 [ 56.835596][ T3611] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.842019][ T3611] [ 56.842019][ T3611] -> #0 (&journal->j_mutex){+.+.}-{3:3}: [ 56.849842][ T3611] validate_chain+0x1898/0x6ae0 [ 56.855223][ T3611] __lock_acquire+0x1292/0x1f60 [ 56.860602][ T3611] lock_acquire+0x182/0x3c0 [ 56.865629][ T3611] __mutex_lock_common+0x1bd/0x26e0 [ 56.871348][ T3611] mutex_lock_nested+0x17/0x20 [ 56.876632][ T3611] do_journal_begin_r+0x340/0x1070 [ 56.882275][ T3611] journal_begin+0x14b/0x350 [ 56.887392][ T3611] reiserfs_dirty_inode+0x108/0x230 [ 56.893117][ T3611] __mark_inode_dirty+0x1e7/0x600 [ 56.898679][ T3611] reiserfs_ioctl+0x293/0x340 [ 56.903885][ T3611] __se_sys_ioctl+0xfb/0x170 [ 56.909003][ T3611] do_syscall_64+0x3d/0xb0 [ 56.913949][ T3611] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.920369][ T3611] [ 56.920369][ T3611] other info that might help us debug this: [ 56.920369][ T3611] [ 56.930594][ T3611] Chain exists of: [ 56.930594][ T3611] &journal->j_mutex --> &sbi->lock --> sb_writers#9 [ 56.930594][ T3611] [ 56.943115][ T3611] Possible unsafe locking scenario: [ 56.943115][ T3611] [ 56.950561][ T3611] CPU0 CPU1 [ 56.956443][ T3611] ---- ---- [ 56.961816][ T3611] lock(sb_writers#9); [ 56.965978][ T3611] lock(&sbi->lock); [ 56.972481][ T3611] lock(sb_writers#9); [ 56.979160][ T3611] lock(&journal->j_mutex); [ 56.983752][ T3611] [ 56.983752][ T3611] *** DEADLOCK *** [ 56.983752][ T3611] [ 56.991889][ T3611] 1 lock held by syz-executor119/3611: [ 56.997345][ T3611] #0: ffff888021a84460 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write_file+0x5a/0x1f0 [ 57.007014][ T3611] [ 57.007014][ T3611] stack backtrace: [ 57.012897][ T3611] CPU: 1 PID: 3611 Comm: syz-executor119 Not tainted 6.1.0-rc4-syzkaller-00159-g4bbf3422df78 #0 [ 57.023305][ T3611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 57.033363][ T3611] Call Trace: [ 57.036642][ T3611] [ 57.039573][ T3611] dump_stack_lvl+0x1b1/0x28e [ 57.044260][ T3611] ? nf_tcp_handle_invalid+0x62e/0x62e [ 57.049729][ T3611] ? print_circular_bug+0x13e/0x1c0 [ 57.054940][ T3611] check_noncircular+0x2cc/0x390 [ 57.059905][ T3611] ? add_chain_block+0x850/0x850 [ 57.064873][ T3611] ? lockdep_lock+0x102/0x290 [ 57.069577][ T3611] ? _find_first_zero_bit+0xe8/0x110 [ 57.074877][ T3611] validate_chain+0x1898/0x6ae0 [ 57.079751][ T3611] ? reacquire_held_locks+0x650/0x650 [ 57.085134][ T3611] ? __kernel_text_address+0x9/0x40 [ 57.090337][ T3611] ? unwind_get_return_address+0x48/0x80 [ 57.095978][ T3611] ? arch_stack_walk+0x98/0xe0 [ 57.100748][ T3611] ? stack_trace_save+0x104/0x1e0 [ 57.105794][ T3611] ? stack_trace_snprint+0xf0/0xf0 [ 57.110916][ T3611] ? check_noncircular+0x1aa/0x390 [ 57.116038][ T3611] ? add_chain_block+0x850/0x850 [ 57.120992][ T3611] ? lockdep_unlock+0x144/0x2e0 [ 57.125852][ T3611] ? lockdep_lock+0x290/0x290 [ 57.130532][ T3611] ? add_lock_to_list+0x1c7/0x2d0 [ 57.135568][ T3611] ? validate_chain+0x1478/0x6ae0 [ 57.140616][ T3611] ? reacquire_held_locks+0x650/0x650 [ 57.145993][ T3611] ? lockdep_unlock+0x144/0x2e0 [ 57.150851][ T3611] ? lockdep_lock+0x290/0x290 [ 57.155532][ T3611] ? add_lock_to_list+0x1c7/0x2d0 [ 57.160571][ T3611] ? validate_chain+0x1478/0x6ae0 [ 57.165618][ T3611] ? reacquire_held_locks+0x650/0x650 [ 57.171000][ T3611] ? reacquire_held_locks+0x650/0x650 [ 57.176395][ T3611] ? is_bpf_text_address+0x253/0x270 [ 57.181706][ T3611] ? stack_trace_save+0x1e0/0x1e0 [ 57.186738][ T3611] ? __kernel_text_address+0x9/0x40 [ 57.191936][ T3611] ? unwind_get_return_address+0x48/0x80 [ 57.197582][ T3611] ? arch_stack_walk+0x98/0xe0 [ 57.202354][ T3611] ? stack_trace_save+0x104/0x1e0 [ 57.207394][ T3611] ? rcu_read_lock_sched_held+0x87/0x110 [ 57.213029][ T3611] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 57.219118][ T3611] ? stack_trace_save+0x1e0/0x1e0 [ 57.224150][ T3611] ? rcu_read_lock_sched_held+0x87/0x110 [ 57.229875][ T3611] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 57.236647][ T3611] ? rcu_lock_release+0x5/0x20 [ 57.241434][ T3611] ? read_lock_is_recursive+0x10/0x10 [ 57.246816][ T3611] ? rcu_lock_release+0x5/0x20 [ 57.251591][ T3611] ? __lock_acquire+0x1f60/0x1f60 [ 57.257415][ T3611] ? deref_stack_reg+0x17a/0x210 [ 57.262362][ T3611] ? preempt_count_add+0x8d/0x180 [ 57.267403][ T3611] ? stack_trace_save+0x1e0/0x1e0 [ 57.272432][ T3611] ? is_bpf_text_address+0x253/0x270 [ 57.277811][ T3611] ? stack_trace_save+0x1e0/0x1e0 [ 57.282869][ T3611] ? stack_trace_save+0x1e0/0x1e0 [ 57.287902][ T3611] ? rcu_read_lock_sched_held+0x87/0x110 [ 57.293545][ T3611] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 57.299544][ T3611] ? rcu_lock_release+0x5/0x20 [ 57.304322][ T3611] ? read_lock_is_recursive+0x10/0x10 [ 57.309702][ T3611] ? rcu_lock_release+0x5/0x20 [ 57.314477][ T3611] ? __lock_acquire+0x1f60/0x1f60 [ 57.319507][ T3611] ? deref_stack_reg+0x17a/0x210 [ 57.324465][ T3611] ? stack_trace_save+0x1e0/0x1e0 [ 57.329499][ T3611] ? rcu_read_lock_sched_held+0x87/0x110 [ 57.335138][ T3611] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 57.341135][ T3611] ? rcu_lock_release+0x5/0x20 [ 57.345912][ T3611] ? read_lock_is_recursive+0x10/0x10 [ 57.351291][ T3611] ? rcu_lock_release+0x5/0x20 [ 57.356068][ T3611] ? __lock_acquire+0x1f60/0x1f60 [ 57.361100][ T3611] ? deref_stack_reg+0x17a/0x210 [ 57.366045][ T3611] ? mark_lock+0x9a/0x350 [ 57.370400][ T3611] ? __lock_acquire+0x1292/0x1f60 [ 57.375456][ T3611] ? mark_lock+0x9a/0x350 [ 57.379813][ T3611] __lock_acquire+0x1292/0x1f60 [ 57.384690][ T3611] lock_acquire+0x182/0x3c0 [ 57.389210][ T3611] ? do_journal_begin_r+0x340/0x1070 [ 57.394508][ T3611] ? read_lock_is_recursive+0x10/0x10 [ 57.399891][ T3611] ? __might_sleep+0xc0/0xc0 [ 57.404491][ T3611] ? reiserfs_write_unlock_nested+0xd0/0x120 [ 57.410483][ T3611] ? __lock_acquire+0x1f60/0x1f60 [ 57.415518][ T3611] __mutex_lock_common+0x1bd/0x26e0 [ 57.420719][ T3611] ? do_journal_begin_r+0x340/0x1070 [ 57.426013][ T3611] ? __mutex_unlock_slowpath+0x222/0x770 [ 57.431672][ T3611] ? do_journal_begin_r+0x340/0x1070 [ 57.436996][ T3611] ? mutex_unlock+0x10/0x10 [ 57.441516][ T3611] ? mutex_lock_io_nested+0x60/0x60 [ 57.446726][ T3611] mutex_lock_nested+0x17/0x20 [ 57.451494][ T3611] do_journal_begin_r+0x340/0x1070 [ 57.456622][ T3611] ? journal_join_abort+0xe0/0xe0 [ 57.461655][ T3611] ? print_irqtrace_events+0x220/0x220 [ 57.467131][ T3611] ? ktime_get_coarse_real_ts64+0x45/0x140 [ 57.472947][ T3611] ? lockdep_hardirqs_on+0x8d/0x130 [ 57.478156][ T3611] journal_begin+0x14b/0x350 [ 57.482753][ T3611] reiserfs_dirty_inode+0x108/0x230 [ 57.487962][ T3611] ? reiserfs_free_inode+0x20/0x20 [ 57.493084][ T3611] ? rcu_read_lock_sched_held+0x87/0x110 [ 57.498722][ T3611] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 57.504710][ T3611] ? current_time+0x1d7/0x300 [ 57.509395][ T3611] ? reiserfs_free_inode+0x20/0x20 [ 57.514519][ T3611] __mark_inode_dirty+0x1e7/0x600 [ 57.519554][ T3611] ? __might_fault+0xb2/0x110 [ 57.524233][ T3611] reiserfs_ioctl+0x293/0x340 [ 57.528916][ T3611] ? __se_sys_ioctl+0xf0/0x170 [ 57.533692][ T3611] ? reiserfs_unpack+0x390/0x390 [ 57.538636][ T3611] __se_sys_ioctl+0xfb/0x170 [ 57.543235][ T3611] do_syscall_64+0x3d/0xb0 [ 57.547660][ T3611] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.553590][ T3611] RIP: 0033:0x7f752437d179 [ 57.558008][ T3611] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 57.577625][ T3611] RSP: 002b:00007ffea1f769e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 ioctl(5, FS_IOC_SETVERSION, 0x20000080) = 0 exit_group(0) = ? +++ exited with 0 +++ [ 57.586044][ T3611] RAX: