./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3197461971 <...> Warning: Permanently added '10.128.1.26' (ED25519) to the list of known hosts. execve("./syz-executor3197461971", ["./syz-executor3197461971"], 0x7ffd6dda81a0 /* 10 vars */) = 0 brk(NULL) = 0x55557968e000 brk(0x55557968ed00) = 0x55557968ed00 arch_prctl(ARCH_SET_FS, 0x55557968e380) = 0 set_tid_address(0x55557968e650) = 5835 set_robust_list(0x55557968e660, 24) = 0 rseq(0x55557968eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3197461971", 4096) = 28 getrandom("\xc6\xcf\x1b\x00\xf3\x51\xbf\xdc", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557968ed00 brk(0x5555796afd00) = 0x5555796afd00 brk(0x5555796b0000) = 0x5555796b0000 mprotect(0x7f6346c6c000, 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 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 5836 attached , child_tidptr=0x55557968e650) = 5836 [pid 5836] set_robust_list(0x55557968e660, 24) = 0 [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5836] setpgid(0, 0) = 0 [pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5836] write(3, "1000", 4) = 4 [pid 5836] close(3) = 0 [pid 5836] write(1, "executing program\n", 18executing program ) = 18 [pid 5836] memfd_create("syzkaller", 0) = 3 [pid 5836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f633e600000 [pid 5836] write(3, "\x00\x00\x00\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 5836] munmap(0x7f633e600000, 138412032) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5836] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5836] close(3) = 0 [pid 5836] close(4) = 0 [pid 5836] mkdir("./file1", 0777) = 0 [ 60.123566][ T5836] loop0: detected capacity change from 0 to 32768 [ 60.156019][ T5836] ======================================================= [ 60.156019][ T5836] WARNING: The mand mount option has been deprecated and [ 60.156019][ T5836] and is ignored by this kernel. Remove the mand [ 60.156019][ T5836] option from the mount to silence this warning. [ 60.156019][ T5836] ======================================================= [ 60.203440][ T5836] ------------[ cut here ]------------ [ 60.208995][ T5836] kernel BUG at fs/ocfs2/buffer_head_io.c:45! [ 60.215631][ T5836] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 60.222587][ T5836] CPU: 0 UID: 0 PID: 5836 Comm: syz-executor319 Not tainted 6.12.0-rc7-syzkaller #0 [ 60.231938][ T5836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 60.241994][ T5836] RIP: 0010:ocfs2_write_block+0x62a/0x6b0 [ 60.247734][ T5836] Code: fc ff df 80 3c 08 00 74 08 4c 89 ef e8 4f ab 77 fe 49 8b 7d 00 48 89 de 48 8b 54 24 08 e8 ce 4b 11 00 eb 2e e8 17 04 11 fe 90 <0f> 0b e8 0f 04 11 fe 90 0f 0b e8 57 11 3b 08 e8 02 04 11 fe 49 bd [ 60.267336][ T5836] RSP: 0018:ffffc900020eede0 EFLAGS: 00010293 [ 60.273400][ T5836] RAX: ffffffff8383d599 RBX: 0000000000000000 RCX: ffff88807cb41e00 [ 60.281377][ T5836] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 60.289338][ T5836] RBP: ffffc900020eeeb0 R08: ffffffff8383d0f0 R09: 1ffffffff2037bad [ 60.297296][ T5836] R10: dffffc0000000000 R11: fffffbfff2037bae R12: ffff88807385a4a0 [ 60.305254][ T5836] R13: dffffc0000000000 R14: ffff88807385a488 R15: ffff88803326c000 [ 60.313217][ T5836] FS: 000055557968e380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 60.322136][ T5836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.328711][ T5836] CR2: 0000559a555999c8 CR3: 000000002f124000 CR4: 00000000003526f0 [ 60.336673][ T5836] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.345243][ T5836] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.353205][ T5836] Call Trace: [ 60.356475][ T5836] [ 60.359398][ T5836] ? __die_body+0x5f/0xb0 [ 60.363741][ T5836] ? die+0x9e/0xc0 [ 60.367451][ T5836] ? do_trap+0x15a/0x3a0 [ 60.371686][ T5836] ? ocfs2_write_block+0x62a/0x6b0 [ 60.376793][ T5836] ? do_error_trap+0x1dc/0x2c0 [ 60.381553][ T5836] ? ocfs2_write_block+0x62a/0x6b0 [ 60.386659][ T5836] ? ocfs2_write_block+0x62a/0x6b0 [ 60.391781][ T5836] ? __pfx_do_error_trap+0x10/0x10 [ 60.396902][ T5836] ? report_bug+0x3e8/0x500 [ 60.401423][ T5836] ? handle_invalid_op+0x34/0x40 [ 60.406361][ T5836] ? ocfs2_write_block+0x62a/0x6b0 [ 60.411497][ T5836] ? exc_invalid_op+0x38/0x50 [ 60.416189][ T5836] ? asm_exc_invalid_op+0x1a/0x20 [ 60.421227][ T5836] ? ocfs2_write_block+0x180/0x6b0 [ 60.426343][ T5836] ? ocfs2_write_block+0x629/0x6b0 [ 60.431455][ T5836] ? ocfs2_write_block+0x62a/0x6b0 [ 60.436580][ T5836] ? __pfx_ocfs2_write_block+0x10/0x10 [ 60.442049][ T5836] ? do_raw_spin_unlock+0x13c/0x8b0 [ 60.447255][ T5836] ocfs2_update_disk_slot+0x498/0x690 [ 60.452630][ T5836] ? __pfx_ocfs2_update_disk_slot+0x10/0x10 [ 60.458521][ T5836] ? do_raw_spin_unlock+0x13c/0x8b0 [ 60.463716][ T5836] ocfs2_find_slot+0x4cb/0xaa0 [ 60.468476][ T5836] ? __pfx_ocfs2_find_slot+0x10/0x10 [ 60.473755][ T5836] ? __raw_spin_lock_init+0x45/0x100 [ 60.479036][ T5836] ocfs2_mount_volume+0x1a0/0x1940 [ 60.484139][ T5836] ? __lock_acquire+0x1384/0x2050 [ 60.489160][ T5836] ? __pfx_ocfs2_mount_volume+0x10/0x10 [ 60.494701][ T5836] ? __debugfs_create_file+0x400/0x4b0 [ 60.500151][ T5836] ? __pfx_lock_release+0x10/0x10 [ 60.505176][ T5836] ? d_instantiate+0x6f/0xa0 [ 60.509761][ T5836] ? up_write+0x1a9/0x590 [ 60.514088][ T5836] ? __pfx_up_write+0x10/0x10 [ 60.518772][ T5836] ? do_raw_spin_unlock+0x13c/0x8b0 [ 60.523978][ T5836] ? __debugfs_create_file+0x400/0x4b0 [ 60.529434][ T5836] ocfs2_fill_super+0x475a/0x5750 [ 60.534461][ T5836] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 60.539855][ T5836] ? __pfx_validate_chain+0x10/0x10 [ 60.545066][ T5836] ? __pfx_validate_chain+0x10/0x10 [ 60.550273][ T5836] ? validate_chain+0x11e/0x5920 [ 60.555209][ T5836] ? __lock_acquire+0x1384/0x2050 [ 60.560233][ T5836] ? __pfx_validate_chain+0x10/0x10 [ 60.565426][ T5836] ? string+0x26a/0x2b0 [ 60.569579][ T5836] ? widen_string+0x3a/0x310 [ 60.574167][ T5836] ? string+0x26a/0x2b0 [ 60.578325][ T5836] ? bdev_name+0x2b1/0x3c0 [ 60.582732][ T5836] ? pointer+0x703/0x1210 [ 60.587097][ T5836] ? __pfx_pointer+0x10/0x10 [ 60.591712][ T5836] ? __pfx_format_decode+0x10/0x10 [ 60.596818][ T5836] ? __lock_acquire+0x1384/0x2050 [ 60.601842][ T5836] ? vsnprintf+0x1ccd/0x1da0 [ 60.606433][ T5836] ? snprintf+0xda/0x120 [ 60.610673][ T5836] ? __pfx_lock_release+0x10/0x10 [ 60.615690][ T5836] ? do_raw_spin_lock+0x14f/0x370 [ 60.620726][ T5836] ? __pfx_snprintf+0x10/0x10 [ 60.625399][ T5836] ? set_blocksize+0x1f9/0x360 [ 60.630155][ T5836] ? sb_set_blocksize+0x98/0xf0 [ 60.635004][ T5836] ? setup_bdev_super+0x4e6/0x5d0 [ 60.640024][ T5836] mount_bdev+0x20a/0x2d0 [ 60.644349][ T5836] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 60.649727][ T5836] ? __pfx_mount_bdev+0x10/0x10 [ 60.654591][ T5836] ? vfs_parse_fs_string+0x190/0x230 [ 60.659885][ T5836] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 60.665524][ T5836] legacy_get_tree+0xee/0x190 [ 60.670198][ T5836] ? __pfx_ocfs2_mount+0x10/0x10 [ 60.675128][ T5836] vfs_get_tree+0x90/0x2b0 [ 60.679542][ T5836] do_new_mount+0x2be/0xb40 [ 60.684038][ T5836] ? __pfx_do_new_mount+0x10/0x10 [ 60.689058][ T5836] __se_sys_mount+0x2d6/0x3c0 [ 60.693731][ T5836] ? __pfx___se_sys_mount+0x10/0x10 [ 60.698923][ T5836] ? do_syscall_64+0x100/0x230 [ 60.703680][ T5836] ? __x64_sys_mount+0x20/0xc0 [ 60.708438][ T5836] do_syscall_64+0xf3/0x230 [ 60.712934][ T5836] ? clear_bhb_loop+0x35/0x90 [ 60.717604][ T5836] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 60.723496][ T5836] RIP: 0033:0x7f6346bf51aa [ 60.727916][ T5836] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 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 [ 60.747533][ T5836] RSP: 002b:00007ffd8776fa78 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 60.755966][ T5836] RAX: ffffffffffffffda RBX: 00007ffd8776fa90 RCX: 00007f6346bf51aa [ 60.763929][ T5836] RDX: 0000000020004440 RSI: 0000000020000040 RDI: 00007ffd8776fa90 [ 60.771890][ T5836] RBP: 0000000000000004 R08: 00007ffd8776fad0 R09: 0000000000004420 [ 60.779858][ T5836] R10: 00000000000008c0 R11: 0000000000000282 R12: 00000000000008c0 [ 60.787821][ T5836] R13: 00007ffd8776fad0 R14: 0000000000000003 R15: 0000000001000000 [ 60.795791][ T5836] [ 60.798798][ T5836] Modules linked in: [ 60.803108][ T5836] ---[ end trace 0000000000000000 ]--- [ 60.808746][ T5836] RIP: 0010:ocfs2_write_block+0x62a/0x6b0 [ 60.814633][ T5836] Code: fc ff df 80 3c 08 00 74 08 4c 89 ef e8 4f ab 77 fe 49 8b 7d 00 48 89 de 48 8b 54 24 08 e8 ce 4b 11 00 eb 2e e8 17 04 11 fe 90 <0f> 0b e8 0f 04 11 fe 90 0f 0b e8 57 11 3b 08 e8 02 04 11 fe 49 bd [ 60.834279][ T5836] RSP: 0018:ffffc900020eede0 EFLAGS: 00010293 [ 60.840358][ T5836] RAX: ffffffff8383d599 RBX: 0000000000000000 RCX: ffff88807cb41e00 [ 60.848357][ T5836] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 60.856354][ T5836] RBP: ffffc900020eeeb0 R08: ffffffff8383d0f0 R09: 1ffffffff2037bad [ 60.864365][ T5836] R10: dffffc0000000000 R11: fffffbfff2037bae R12: ffff88807385a4a0 [ 60.872359][ T5836] R13: dffffc0000000000 R14: ffff88807385a488 R15: ffff88803326c000 [ 60.880365][ T5836] FS: 000055557968e380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 60.889330][ T5836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.895935][ T5836] CR2: 0000559a555999c8 CR3: 000000002f124000 CR4: 00000000003526f0 [ 60.903961][ T5836] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.911936][ T5836] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.919942][ T5836] Kernel panic - not syncing: Fatal exception [ 60.926249][ T5836] Kernel Offset: disabled [ 60.930564][ T5836] Rebooting in 86400 seconds..