./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2210614073 <...> Warning: Permanently added '10.128.1.127' (ECDSA) to the list of known hosts. execve("./syz-executor2210614073", ["./syz-executor2210614073"], 0x7ffdcaf9aa30 /* 10 vars */) = 0 brk(NULL) = 0x555557510000 brk(0x555557510c40) = 0x555557510c40 arch_prctl(ARCH_SET_FS, 0x555557510300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2210614073", 4096) = 28 brk(0x555557531c40) = 0x555557531c40 brk(0x555557532000) = 0x555557532000 mprotect(0x7f3113db2000, 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 [ 50.295206][ T3608] loop0: detected capacity change from 0 to 8192 [ 50.306068][ T3608] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 50.319223][ T3608] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 50.328426][ T3608] REISERFS (device loop0): using ordered data mode [ 50.335117][ T3608] 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 close(4) = 0 close(3) = 0 open(".", O_RDONLY) = 3 [ 50.341230][ T3608] 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 [ 50.359330][ T3608] REISERFS (device loop0): checking transaction log (loop0) [ 50.368279][ T3608] REISERFS (device loop0): Using rupasov hash to sort names [ 50.376937][ T3608] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. ioctl(3, _IOC(_IOC_WRITE, 0x66, 0x8, 0x28), 0x20000080) = -1 EINVAL (Invalid argument) [ 50.392400][ T3608] EXT4-fs warning (device sda1): verify_group_input:151: Cannot add at group 49 (only 8 groups) [ 50.431006][ T3608] [ 50.433340][ T3608] ====================================================== [ 50.440331][ T3608] WARNING: possible circular locking dependency detected [ 50.447323][ T3608] 6.1.0-rc3-syzkaller-00332-g089d1c31224e #0 Not tainted [ 50.454325][ T3608] ------------------------------------------------------ [ 50.461328][ T3608] syz-executor221/3608 is trying to acquire lock: [ 50.467718][ T3608] ffffc90003d710f0 (&journal->j_mutex){+.+.}-{3:3}, at: do_journal_begin_r+0x340/0x1070 [ 50.477466][ T3608] [ 50.477466][ T3608] but task is already holding lock: [ 50.484811][ T3608] ffff888028bc4460 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write_file+0x5a/0x1f0 [ 50.494005][ T3608] [ 50.494005][ T3608] which lock already depends on the new lock. [ 50.494005][ T3608] [ 50.504383][ T3608] [ 50.504383][ T3608] the existing dependency chain (in reverse order) is: [ 50.513369][ T3608] [ 50.513369][ T3608] -> #2 (sb_writers#9){.+.+}-{0:0}: [ 50.521333][ T3608] lock_acquire+0x182/0x3c0 [ 50.526337][ T3608] sb_start_write+0x4d/0x1a0 [ 50.531425][ T3608] mnt_want_write_file+0x5a/0x1f0 [ 50.536946][ T3608] reiserfs_ioctl+0x16e/0x340 [ 50.542133][ T3608] __se_sys_ioctl+0xfb/0x170 [ 50.547230][ T3608] do_syscall_64+0x3d/0xb0 [ 50.552160][ T3608] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 50.558553][ T3608] [ 50.558553][ T3608] -> #1 (&sbi->lock){+.+.}-{3:3}: [ 50.565734][ T3608] lock_acquire+0x182/0x3c0 [ 50.570737][ T3608] __mutex_lock_common+0x1bd/0x26e0 [ 50.576433][ T3608] mutex_lock_nested+0x17/0x20 [ 50.581693][ T3608] reiserfs_write_lock_nested+0x5b/0xd0 [ 50.587742][ T3608] do_journal_begin_r+0x34b/0x1070 [ 50.593380][ T3608] journal_begin+0x14b/0x350 [ 50.598478][ T3608] reiserfs_fill_super+0x172b/0x24a0 [ 50.604274][ T3608] mount_bdev+0x26c/0x3a0 [ 50.609109][ T3608] legacy_get_tree+0xea/0x180 [ 50.614291][ T3608] vfs_get_tree+0x88/0x270 [ 50.619208][ T3608] do_new_mount+0x289/0xad0 [ 50.624221][ T3608] __se_sys_mount+0x2d3/0x3c0 [ 50.629398][ T3608] do_syscall_64+0x3d/0xb0 [ 50.634322][ T3608] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 50.640715][ T3608] [ 50.640715][ T3608] -> #0 (&journal->j_mutex){+.+.}-{3:3}: [ 50.648519][ T3608] validate_chain+0x1898/0x6ae0 [ 50.653878][ T3608] __lock_acquire+0x1292/0x1f60 [ 50.659227][ T3608] lock_acquire+0x182/0x3c0 [ 50.664231][ T3608] __mutex_lock_common+0x1bd/0x26e0 [ 50.669937][ T3608] mutex_lock_nested+0x17/0x20 [ 50.675204][ T3608] do_journal_begin_r+0x340/0x1070 [ 50.680820][ T3608] journal_begin+0x14b/0x350 [ 50.685912][ T3608] reiserfs_dirty_inode+0x108/0x230 [ 50.691614][ T3608] __mark_inode_dirty+0x1e7/0x600 [ 50.697148][ T3608] reiserfs_ioctl+0x293/0x340 [ 50.702333][ T3608] __se_sys_ioctl+0xfb/0x170 [ 50.707426][ T3608] do_syscall_64+0x3d/0xb0 [ 50.712345][ T3608] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 50.718743][ T3608] [ 50.718743][ T3608] other info that might help us debug this: [ 50.718743][ T3608] [ 50.728956][ T3608] Chain exists of: [ 50.728956][ T3608] &journal->j_mutex --> &sbi->lock --> sb_writers#9 [ 50.728956][ T3608] [ 50.741463][ T3608] Possible unsafe locking scenario: [ 50.741463][ T3608] [ 50.748887][ T3608] CPU0 CPU1 [ 50.754240][ T3608] ---- ---- [ 50.759585][ T3608] lock(sb_writers#9); [ 50.763724][ T3608] lock(&sbi->lock); [ 50.770206][ T3608] lock(sb_writers#9); [ 50.776881][ T3608] lock(&journal->j_mutex); [ 50.781449][ T3608] [ 50.781449][ T3608] *** DEADLOCK *** [ 50.781449][ T3608] [ 50.789570][ T3608] 1 lock held by syz-executor221/3608: [ 50.795001][ T3608] #0: ffff888028bc4460 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write_file+0x5a/0x1f0 [ 50.804629][ T3608] [ 50.804629][ T3608] stack backtrace: [ 50.810490][ T3608] CPU: 1 PID: 3608 Comm: syz-executor221 Not tainted 6.1.0-rc3-syzkaller-00332-g089d1c31224e #0 [ 50.820873][ T3608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 50.830911][ T3608] Call Trace: [ 50.834181][ T3608] [ 50.837095][ T3608] dump_stack_lvl+0x1b1/0x28e [ 50.841761][ T3608] ? nf_tcp_handle_invalid+0x62e/0x62e [ 50.847205][ T3608] ? print_circular_bug+0x13e/0x1c0 [ 50.852389][ T3608] check_noncircular+0x2cc/0x390 [ 50.857313][ T3608] ? add_chain_block+0x850/0x850 [ 50.862232][ T3608] ? lockdep_lock+0x102/0x290 [ 50.866895][ T3608] ? _find_first_zero_bit+0xe8/0x110 [ 50.872166][ T3608] validate_chain+0x1898/0x6ae0 [ 50.877004][ T3608] ? reacquire_held_locks+0x650/0x650 [ 50.882359][ T3608] ? __kernel_text_address+0x9/0x40 [ 50.887534][ T3608] ? unwind_get_return_address+0x48/0x80 [ 50.893156][ T3608] ? arch_stack_walk+0x98/0xe0 [ 50.897907][ T3608] ? stack_trace_save+0x104/0x1e0 [ 50.902914][ T3608] ? stack_trace_snprint+0xf0/0xf0 [ 50.908007][ T3608] ? check_noncircular+0x1aa/0x390 [ 50.913104][ T3608] ? add_chain_block+0x850/0x850 [ 50.918029][ T3608] ? lockdep_unlock+0x144/0x2e0 [ 50.922861][ T3608] ? lockdep_lock+0x290/0x290 [ 50.927519][ T3608] ? add_lock_to_list+0x1c7/0x2d0 [ 50.932526][ T3608] ? validate_chain+0x1478/0x6ae0 [ 50.937538][ T3608] ? reacquire_held_locks+0x650/0x650 [ 50.942890][ T3608] ? lockdep_unlock+0x144/0x2e0 [ 50.947717][ T3608] ? lockdep_lock+0x290/0x290 [ 50.952381][ T3608] ? add_lock_to_list+0x1c7/0x2d0 [ 50.957391][ T3608] ? validate_chain+0x1478/0x6ae0 [ 50.962400][ T3608] ? reacquire_held_locks+0x650/0x650 [ 50.967754][ T3608] ? update_blocked_averages+0x1170/0x1170 [ 50.973543][ T3608] ? update_blocked_averages+0xf4d/0x1170 [ 50.979239][ T3608] ? trace_lock_release+0x95/0x220 [ 50.984329][ T3608] ? mark_lock+0x9a/0x350 [ 50.988638][ T3608] ? __lock_acquire+0x1292/0x1f60 [ 50.993647][ T3608] ? stack_trace_save+0x1e0/0x1e0 [ 50.998649][ T3608] ? rcu_read_lock_sched_held+0x87/0x110 [ 51.004260][ T3608] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 51.010223][ T3608] ? rcu_lock_release+0x5/0x20 [ 51.014968][ T3608] ? read_lock_is_recursive+0x10/0x10 [ 51.020322][ T3608] ? rcu_lock_release+0x5/0x20 [ 51.025069][ T3608] ? __lock_acquire+0x1f60/0x1f60 [ 51.030077][ T3608] ? deref_stack_reg+0x17a/0x210 [ 51.035001][ T3608] ? preempt_count_add+0x8d/0x180 [ 51.040007][ T3608] ? stack_trace_save+0x1e0/0x1e0 [ 51.045016][ T3608] ? is_bpf_text_address+0x253/0x270 [ 51.050278][ T3608] ? stack_trace_save+0x1e0/0x1e0 [ 51.055295][ T3608] ? stack_trace_save+0x1e0/0x1e0 [ 51.060300][ T3608] ? rcu_read_lock_sched_held+0x87/0x110 [ 51.065912][ T3608] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 51.071872][ T3608] ? rcu_lock_release+0x5/0x20 [ 51.076616][ T3608] ? read_lock_is_recursive+0x10/0x10 [ 51.081971][ T3608] ? rcu_lock_release+0x5/0x20 [ 51.086714][ T3608] ? __lock_acquire+0x1f60/0x1f60 [ 51.091714][ T3608] ? deref_stack_reg+0x17a/0x210 [ 51.096633][ T3608] ? stack_trace_save+0x1e0/0x1e0 [ 51.101638][ T3608] ? rcu_read_lock_sched_held+0x87/0x110 [ 51.107246][ T3608] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 51.113206][ T3608] ? rcu_lock_release+0x5/0x20 [ 51.117951][ T3608] ? read_lock_is_recursive+0x10/0x10 [ 51.123300][ T3608] ? rcu_lock_release+0x5/0x20 [ 51.128042][ T3608] ? __lock_acquire+0x1f60/0x1f60 [ 51.133044][ T3608] ? deref_stack_reg+0x17a/0x210 [ 51.137962][ T3608] ? mark_lock+0x9a/0x350 [ 51.142270][ T3608] ? __lock_acquire+0x1292/0x1f60 [ 51.147275][ T3608] ? mark_lock+0x9a/0x350 [ 51.151582][ T3608] __lock_acquire+0x1292/0x1f60 [ 51.156417][ T3608] lock_acquire+0x182/0x3c0 [ 51.160899][ T3608] ? do_journal_begin_r+0x340/0x1070 [ 51.166164][ T3608] ? read_lock_is_recursive+0x10/0x10 [ 51.171513][ T3608] ? __might_sleep+0xc0/0xc0 [ 51.176081][ T3608] ? reiserfs_write_unlock_nested+0xd0/0x120 [ 51.182045][ T3608] ? __lock_acquire+0x1f60/0x1f60 [ 51.187054][ T3608] __mutex_lock_common+0x1bd/0x26e0 [ 51.192229][ T3608] ? do_journal_begin_r+0x340/0x1070 [ 51.197491][ T3608] ? __mutex_unlock_slowpath+0x222/0x770 [ 51.203099][ T3608] ? do_journal_begin_r+0x340/0x1070 [ 51.208360][ T3608] ? mutex_unlock+0x10/0x10 [ 51.212838][ T3608] ? mutex_lock_io_nested+0x60/0x60 [ 51.218016][ T3608] mutex_lock_nested+0x17/0x20 [ 51.222756][ T3608] do_journal_begin_r+0x340/0x1070 [ 51.227855][ T3608] ? journal_join_abort+0xe0/0xe0 [ 51.232858][ T3608] ? print_irqtrace_events+0x220/0x220 [ 51.238298][ T3608] ? ktime_get_coarse_real_ts64+0x45/0x140 [ 51.244084][ T3608] ? lockdep_hardirqs_on+0x8d/0x130 [ 51.249265][ T3608] journal_begin+0x14b/0x350 [ 51.253836][ T3608] reiserfs_dirty_inode+0x108/0x230 [ 51.259014][ T3608] ? reiserfs_free_inode+0x20/0x20 [ 51.264105][ T3608] ? rcu_read_lock_sched_held+0x87/0x110 [ 51.269715][ T3608] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 51.275674][ T3608] ? current_time+0x1d7/0x300 [ 51.280330][ T3608] ? reiserfs_free_inode+0x20/0x20 [ 51.285421][ T3608] __mark_inode_dirty+0x1e7/0x600 [ 51.290428][ T3608] ? __might_fault+0xb2/0x110 [ 51.295083][ T3608] reiserfs_ioctl+0x293/0x340 [ 51.299736][ T3608] ? __se_sys_ioctl+0xf0/0x170 [ 51.304480][ T3608] ? reiserfs_unpack+0x390/0x390 [ 51.309397][ T3608] __se_sys_ioctl+0xfb/0x170 [ 51.313966][ T3608] do_syscall_64+0x3d/0xb0 [ 51.318364][ T3608] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 51.324236][ T3608] RIP: 0033:0x7f3113d461d9 [ 51.328628][ T3608] 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 ioctl(5, FS_IOC_SETVERSION, 0x20000080) = 0 exit_group(0) = ? +++ exited with 0 +++ [ 51.348208][ T3608