./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3888832239 <...> Warning: Permanently added '10.128.1.213' (ED25519) to the list of known hosts. execve("./syz-executor3888832239", ["./syz-executor3888832239"], 0x7ffebfc90f70 /* 10 vars */) = 0 brk(NULL) = 0x55557a857000 brk(0x55557a857d00) = 0x55557a857d00 arch_prctl(ARCH_SET_FS, 0x55557a857380) = 0 set_tid_address(0x55557a857650) = 5859 set_robust_list(0x55557a857660, 24) = 0 rseq(0x55557a857ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3888832239", 4096) = 28 getrandom("\x1e\x40\x0e\xc8\xd9\x30\x8c\x94", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557a857d00 brk(0x55557a878d00) = 0x55557a878d00 brk(0x55557a879000) = 0x55557a879000 mprotect(0x7fc6ff0d8000, 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 5860 attached [pid 5860] set_robust_list(0x55557a857660, 24 [pid 5859] <... clone resumed>, child_tidptr=0x55557a857650) = 5860 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5860] setpgid(0, 0) = 0 [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5860] write(3, "1000", 4) = 4 [pid 5860] close(3) = 0 [pid 5860] write(1, "executing program\n", 18executing program ) = 18 [pid 5860] memfd_create("syzkaller", 0) = 3 [pid 5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc6f6c00000 [pid 5860] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5860] munmap(0x7fc6f6c00000, 138412032) = 0 [pid 5860] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5860] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5860] close(3) = 0 [pid 5860] close(4) = 0 [pid 5860] mkdir("./file1", 0777) = 0 [ 77.211280][ T5860] loop0: detected capacity change from 0 to 32768 [ 77.232460][ T5860] ======================================================= [ 77.232460][ T5860] WARNING: The mand mount option has been deprecated and [ 77.232460][ T5860] and is ignored by this kernel. Remove the mand [ 77.232460][ T5860] option from the mount to silence this warning. [pid 5860] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,nouser_xattr,coherency=full,data=writeback,localalloc=00000000000000000001,acl,no"...) = 0 [pid 5860] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5860] chdir("./file1") = 0 [pid 5860] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5860] openat(AT_FDCWD, "memory.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 77.232460][ T5860] ======================================================= [ 77.275749][ T5860] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 77.311563][ T5860] ------------[ cut here ]------------ [ 77.317090][ T5860] kernel BUG at fs/ocfs2/aops.c:1159! [ 77.322460][ T5860] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 77.328867][ T5860] CPU: 0 UID: 0 PID: 5860 Comm: syz-executor388 Not tainted 6.17.0-rc1-syzkaller-00214-g99bade344cfa #0 PREEMPT(full) [ 77.341271][ T5860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 77.351329][ T5860] RIP: 0010:ocfs2_write_cluster_by_desc+0x1cc1/0x1cf0 [ 77.358120][ T5860] Code: 03 48 8d bc 24 10 02 00 00 48 c7 c6 a0 6e 9f 8d ba 6a 04 00 00 48 c7 c1 40 49 ca 8b e8 c8 51 1b 00 90 0f 0b e8 10 e0 26 fe 90 <0f> 0b e8 08 e0 26 fe 90 0f 0b e8 00 e0 26 fe 90 0f 0b e8 f8 df 26 [ 77.377795][ T5860] RSP: 0018:ffffc9000426ee60 EFLAGS: 00010293 [ 77.383850][ T5860] RAX: ffffffff8398cb80 RBX: ffff88802b198014 RCX: ffff888033315a00 [ 77.391807][ T5860] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 77.399759][ T5860] RBP: ffffc9000426f190 R08: ffff8880741fdca3 R09: 1ffff1100e83fb94 [ 77.407711][ T5860] R10: dffffc0000000000 R11: ffffed100e83fb95 R12: ffff88807683c000 [ 77.415661][ T5860] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802b198014 [ 77.423626][ T5860] FS: 000055557a857380(0000) GS:ffff888125c1b000(0000) knlGS:0000000000000000 [ 77.432560][ T5860] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.439131][ T5860] CR2: 00007fc6ff0dc0f8 CR3: 0000000070897000 CR4: 0000000000350ef0 [ 77.447113][ T5860] Call Trace: [ 77.450381][ T5860] [ 77.453310][ T5860] ? __pfx___folio_batch_add_and_move+0x10/0x10 [ 77.459556][ T5860] ? __pfx_workingset_update_node+0x10/0x10 [ 77.465490][ T5860] ? __pfx_ocfs2_write_cluster_by_desc+0x10/0x10 [ 77.471828][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.477460][ T5860] ? filemap_add_folio+0x1af/0x270 [ 77.482570][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.488208][ T5860] ? folio_mapping+0x16f/0x240 [ 77.492960][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.498576][ T5860] ? folio_wait_stable+0x6f/0x90 [ 77.503503][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.509144][ T5860] ? ocfs2_grab_folios_for_write+0xa49/0xdb0 [ 77.515216][ T5860] ? __pfx_ocfs2_grab_folios_for_write+0x10/0x10 [ 77.521636][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.527256][ T5860] ? rcu_is_watching+0x15/0xb0 [ 77.532028][ T5860] ? ocfs2_write_begin_nolock+0xeb9/0x4340 [ 77.537924][ T5860] ? ocfs2_metadata_cache_get_super+0x43/0x80 [ 77.544093][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.549716][ T5860] ? ocfs2_inode_cache_get_super+0xd/0x40 [ 77.555420][ T5860] ocfs2_write_begin_nolock+0x31a3/0x4340 [ 77.561174][ T5860] ? __pfx_ocfs2_write_begin_nolock+0x10/0x10 [ 77.567226][ T5860] ? __mutex_unlock_slowpath+0x1a1/0x760 [ 77.572855][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.578492][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.584470][ T5860] ? domain_dirty_avail+0x30b/0x490 [ 77.589677][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.595306][ T5860] ? ocfs2_read_inode_block+0x11d/0x190 [ 77.600844][ T5860] ? __pfx_ocfs2_read_inode_block+0x10/0x10 [ 77.606726][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.612352][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.617977][ T5860] ? __pfx_ocfs2_journal_access_di+0x10/0x10 [ 77.624042][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.629675][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.635313][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.640957][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.646676][ T5860] ? rcu_is_watching+0x15/0xb0 [ 77.651422][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.657040][ T5860] ? lock_acquire+0x5f/0x360 [ 77.661628][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.667244][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.672869][ T5860] ? down_write+0x162/0x1f0 [ 77.677367][ T5860] ? __pfx_down_write+0x10/0x10 [ 77.682208][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.687823][ T5860] ocfs2_write_begin+0x1bb/0x310 [ 77.692760][ T5860] ? __pfx_ocfs2_write_begin+0x10/0x10 [ 77.698210][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.703839][ T5860] generic_perform_write+0x2c5/0x900 [ 77.709121][ T5860] ? __pfx_generic_perform_write+0x10/0x10 [ 77.715054][ T5860] ? file_update_time+0x2da/0x490 [ 77.720110][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.725739][ T5860] ? __generic_file_write_iter+0xf9/0x230 [ 77.731454][ T5860] ? ocfs2_file_write_iter+0x1551/0x1d10 [ 77.737080][ T5860] ocfs2_file_write_iter+0x157a/0x1d10 [ 77.742523][ T5860] ? aa_file_perm+0x13a/0x1550 [ 77.747279][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.752911][ T5860] ? __pfx_ocfs2_file_write_iter+0x10/0x10 [ 77.758810][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.764446][ T5860] ? __pfx_aa_file_perm+0x10/0x10 [ 77.769474][ T5860] ? __schedule+0x17ae/0x4cc0 [ 77.774148][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.779804][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.785449][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.791093][ T5860] ? rcu_is_watching+0x15/0xb0 [ 77.795868][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.801528][ T5860] ? lock_acquire+0x5f/0x360 [ 77.806116][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.811922][ T5860] ? security_file_permission+0x75/0x290 [ 77.817567][ T5860] vfs_write+0x5c9/0xb30 [ 77.821831][ T5860] ? __pfx_ocfs2_file_write_iter+0x10/0x10 [ 77.827646][ T5860] ? __pfx_vfs_write+0x10/0x10 [ 77.832405][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.838046][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.843686][ T5860] ? rcu_is_watching+0x15/0xb0 [ 77.848472][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.854197][ T5860] ? _raw_spin_unlock_irq+0x2e/0x50 [ 77.859386][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.865034][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.870682][ T5860] ksys_write+0x145/0x250 [ 77.875020][ T5860] ? __pfx_ksys_write+0x10/0x10 [ 77.879861][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.885499][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.891126][ T5860] do_syscall_64+0xfa/0x3b0 [ 77.895737][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.901372][ T5860] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.907440][ T5860] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.913068][ T5860] ? exc_page_fault+0x9f/0xf0 [ 77.917754][ T5860] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.923648][ T5860] RIP: 0033:0x7fc6ff060b99 [ 77.928056][ T5860] 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 [ 77.947665][ T5860] RSP: 002b:00007ffee01de388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.956087][ T5860] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc6ff060b99 [ 77.964135][ T5860] RDX: 0000000000032600 RSI: 0000000000000000 RDI: 0000000000000004 [ 77.972096][ T5860] RBP: 00007fc6ff0d85f0 R08: 000055557a8584c0 R09: 000055557a8584c0 [ 77.980070][ T5860] R10: 0000000000004440 R11: 0000000000000246 R12: 00007ffee01de3b0 [ 77.988051][ T5860] R13: 00007ffee01de5d8 R14: 431bde82d7b634db R15: 00007fc6ff0a903b [ 77.996035][ T5860] [ 77.999041][ T5860] Modules linked in: [ 78.003153][ T5860] ---[ end trace 0000000000000000 ]--- [ 78.008749][ T5860] RIP: 0010:ocfs2_write_cluster_by_desc+0x1cc1/0x1cf0 [ 78.015578][ T5860] Code: 03 48 8d bc 24 10 02 00 00 48 c7 c6 a0 6e 9f 8d ba 6a 04 00 00 48 c7 c1 40 49 ca 8b e8 c8 51 1b 00 90 0f 0b e8 10 e0 26 fe 90 <0f> 0b e8 08 e0 26 fe 90 0f 0b e8 00 e0 26 fe 90 0f 0b e8 f8 df 26 [ 78.035226][ T5860] RSP: 0018:ffffc9000426ee60 EFLAGS: 00010293 [ 78.041310][ T5860] RAX: ffffffff8398cb80 RBX: ffff88802b198014 RCX: ffff888033315a00 [ 78.049314][ T5860] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 78.057321][ T5860] RBP: ffffc9000426f190 R08: ffff8880741fdca3 R09: 1ffff1100e83fb94 [ 78.065322][ T5860] R10: dffffc0000000000 R11: ffffed100e83fb95 R12: ffff88807683c000 [ 78.073308][ T5860] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802b198014 [ 78.081321][ T5860] FS: 000055557a857380(0000) GS:ffff888125c1b000(0000) knlGS:0000000000000000 [ 78.090310][ T5860] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.096933][ T5860] CR2: 00007fc6ff0dc0f8 CR3: 0000000070897000 CR4: 0000000000350ef0 [ 78.104974][ T5860] Kernel panic - not syncing: Fatal exception [ 78.111146][ T5860] Kernel Offset: disabled [ 78.115457][ T5860] Rebooting in 86400 seconds..