./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2278854293 <...> Warning: Permanently added '10.128.1.243' (ED25519) to the list of known hosts. execve("./syz-executor2278854293", ["./syz-executor2278854293"], 0x7ffd3638f420 /* 10 vars */) = 0 brk(NULL) = 0x555580ce5000 brk(0x555580ce5d00) = 0x555580ce5d00 arch_prctl(ARCH_SET_FS, 0x555580ce5380) = 0 set_tid_address(0x555580ce5650) = 5223 set_robust_list(0x555580ce5660, 24) = 0 rseq(0x555580ce5ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2278854293", 4096) = 28 getrandom("\x41\xcf\x2b\x03\x63\x26\xf9\x46", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555580ce5d00 brk(0x555580d06d00) = 0x555580d06d00 brk(0x555580d07000) = 0x555580d07000 mprotect(0x7f2a22118000, 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, child_tidptr=0x555580ce5650) = 5224 ./strace-static-x86_64: Process 5224 attached [pid 5224] set_robust_list(0x555580ce5660, 24) = 0 [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5224] setpgid(0, 0) = 0 [pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "1000", 4) = 4 [pid 5224] close(3) = 0 executing program [pid 5224] write(1, "executing program\n", 18) = 18 [pid 5224] memfd_create("syzkaller", 0) = 3 [pid 5224] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a19c00000 [pid 5224] 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 5224] munmap(0x7f2a19c00000, 138412032) = 0 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5224] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5224] close(3) = 0 [pid 5224] close(4) = 0 [pid 5224] mkdir("./file1", 0777) = 0 [ 59.321588][ T5224] loop0: detected capacity change from 0 to 32768 [ 59.352583][ T5224] ======================================================= [ 59.352583][ T5224] WARNING: The mand mount option has been deprecated and [ 59.352583][ T5224] and is ignored by this kernel. Remove the mand [ 59.352583][ T5224] option from the mount to silence this warning. [ 59.352583][ T5224] ======================================================= [ 59.396644][ T5224] ------------[ cut here ]------------ [ 59.402267][ T5224] kernel BUG at fs/ocfs2/buffer_head_io.c:45! [ 59.408692][ T5224] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 59.415654][ T5224] CPU: 0 UID: 0 PID: 5224 Comm: syz-executor227 Not tainted 6.11.0-rc7-syzkaller-00151-gd42f7708e27c #0 [ 59.426753][ T5224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 59.436900][ T5224] RIP: 0010:ocfs2_write_block+0x62a/0x6b0 [ 59.442631][ T5224] Code: fc ff df 80 3c 08 00 74 08 4c 89 ef e8 5f 41 7a fe 49 8b 7d 00 48 89 de 48 8b 54 24 08 e8 de 44 11 00 eb 2e e8 97 1d 16 fe 90 <0f> 0b e8 8f 1d 16 fe 90 0f 0b e8 97 aa 33 08 e8 82 1d 16 fe 49 bd [ 59.462235][ T5224] RSP: 0018:ffffc90003326dc0 EFLAGS: 00010293 [ 59.468288][ T5224] RAX: ffffffff837d6ec9 RBX: 0000000000000000 RCX: ffff88801b318000 [ 59.476265][ T5224] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 59.484237][ T5224] RBP: ffffc90003326e90 R08: ffffffff837d6a20 R09: 1ffffffff1fee945 [ 59.492204][ T5224] R10: dffffc0000000000 R11: fffffbfff1fee946 R12: ffff88807e9ef2d0 [ 59.500163][ T5224] R13: dffffc0000000000 R14: ffff88807e9ef2b8 R15: ffff888011958000 [ 59.508121][ T5224] FS: 0000555580ce5380(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 [ 59.517037][ T5224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.523601][ T5224] CR2: 00007fae84395ed8 CR3: 0000000078dfe000 CR4: 00000000003506f0 [ 59.531559][ T5224] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.539513][ T5224] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.547468][ T5224] Call Trace: [ 59.550743][ T5224] [ 59.553661][ T5224] ? __die_body+0x88/0xe0 [ 59.557999][ T5224] ? die+0xcf/0x110 [ 59.561798][ T5224] ? do_trap+0x15a/0x3a0 [ 59.566031][ T5224] ? ocfs2_write_block+0x62a/0x6b0 [ 59.571136][ T5224] ? do_error_trap+0x1dc/0x2c0 [ 59.575887][ T5224] ? ocfs2_write_block+0x62a/0x6b0 [ 59.580986][ T5224] ? __pfx_do_error_trap+0x10/0x10 [ 59.586082][ T5224] ? report_bug+0x3e8/0x500 [ 59.590578][ T5224] ? handle_invalid_op+0x34/0x40 [ 59.595526][ T5224] ? ocfs2_write_block+0x62a/0x6b0 [ 59.600619][ T5224] ? exc_invalid_op+0x38/0x50 [ 59.605281][ T5224] ? asm_exc_invalid_op+0x1a/0x20 [ 59.610297][ T5224] ? ocfs2_write_block+0x180/0x6b0 [ 59.615391][ T5224] ? ocfs2_write_block+0x629/0x6b0 [ 59.620486][ T5224] ? ocfs2_write_block+0x62a/0x6b0 [ 59.625582][ T5224] ? __pfx_ocfs2_write_block+0x10/0x10 [ 59.631027][ T5224] ? do_raw_spin_unlock+0x13c/0x8b0 [ 59.636215][ T5224] ocfs2_update_disk_slot+0x498/0x690 [ 59.641580][ T5224] ? __pfx_ocfs2_update_disk_slot+0x10/0x10 [ 59.647459][ T5224] ? do_raw_spin_unlock+0x13c/0x8b0 [ 59.652646][ T5224] ocfs2_find_slot+0x4cb/0xaa0 [ 59.657402][ T5224] ? __pfx_ocfs2_find_slot+0x10/0x10 [ 59.662673][ T5224] ? __raw_spin_lock_init+0x45/0x100 [ 59.667950][ T5224] ocfs2_mount_volume+0x1a0/0x1940 [ 59.673048][ T5224] ? __lock_acquire+0x137a/0x2040 [ 59.678061][ T5224] ? __pfx_ocfs2_mount_volume+0x10/0x10 [ 59.683596][ T5224] ? __debugfs_create_file+0x400/0x4b0 [ 59.689044][ T5224] ? __pfx_lock_release+0x10/0x10 [ 59.694058][ T5224] ? d_instantiate+0x6f/0xa0 [ 59.698636][ T5224] ? up_write+0x1a9/0x590 [ 59.702950][ T5224] ? __pfx_up_write+0x10/0x10 [ 59.707611][ T5224] ? do_raw_spin_unlock+0x13c/0x8b0 [ 59.712796][ T5224] ? __debugfs_create_file+0x400/0x4b0 [ 59.718242][ T5224] ocfs2_fill_super+0x483b/0x5880 [ 59.723258][ T5224] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 59.728617][ T5224] ? __pfx_validate_chain+0x10/0x10 [ 59.733798][ T5224] ? __pfx_validate_chain+0x10/0x10 [ 59.738986][ T5224] ? validate_chain+0x11e/0x5900 [ 59.743910][ T5224] ? __lock_acquire+0x137a/0x2040 [ 59.748926][ T5224] ? __pfx_validate_chain+0x10/0x10 [ 59.754111][ T5224] ? string+0x26a/0x2b0 [ 59.758253][ T5224] ? widen_string+0x3a/0x310 [ 59.762826][ T5224] ? string+0x26a/0x2b0 [ 59.766975][ T5224] ? bdev_name+0x2b1/0x3c0 [ 59.771379][ T5224] ? pointer+0x703/0x1210 [ 59.775698][ T5224] ? __pfx_pointer+0x10/0x10 [ 59.780274][ T5224] ? __pfx_format_decode+0x10/0x10 [ 59.785369][ T5224] ? __lock_acquire+0x137a/0x2040 [ 59.790382][ T5224] ? vsnprintf+0x1ccd/0x1da0 [ 59.794966][ T5224] ? snprintf+0xda/0x120 [ 59.799196][ T5224] ? __pfx_lock_release+0x10/0x10 [ 59.804207][ T5224] ? do_raw_spin_lock+0x14f/0x370 [ 59.809217][ T5224] ? __pfx_snprintf+0x10/0x10 [ 59.813891][ T5224] ? set_blocksize+0x1ff/0x360 [ 59.818639][ T5224] ? sb_set_blocksize+0x98/0xf0 [ 59.823474][ T5224] ? setup_bdev_super+0x4e6/0x5d0 [ 59.828485][ T5224] mount_bdev+0x20a/0x2d0 [ 59.832807][ T5224] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 59.838163][ T5224] ? __pfx_mount_bdev+0x10/0x10 [ 59.843006][ T5224] ? vfs_parse_fs_string+0x190/0x230 [ 59.848284][ T5224] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 59.853906][ T5224] ? cap_capable+0x1b4/0x250 [ 59.858483][ T5224] legacy_get_tree+0xee/0x190 [ 59.863154][ T5224] ? __pfx_ocfs2_mount+0x10/0x10 [ 59.868080][ T5224] vfs_get_tree+0x90/0x2b0 [ 59.872488][ T5224] do_new_mount+0x2be/0xb40 [ 59.876981][ T5224] ? __pfx_do_new_mount+0x10/0x10 [ 59.881994][ T5224] __se_sys_mount+0x2d6/0x3c0 [ 59.886658][ T5224] ? __pfx___se_sys_mount+0x10/0x10 [ 59.891840][ T5224] ? do_syscall_64+0x100/0x230 [ 59.896590][ T5224] ? __x64_sys_mount+0x20/0xc0 [ 59.901346][ T5224] do_syscall_64+0xf3/0x230 [ 59.905842][ T5224] ? clear_bhb_loop+0x35/0x90 [ 59.910507][ T5224] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.916386][ T5224] RIP: 0033:0x7f2a220a1dea [ 59.920794][ T5224] 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 [ 59.940384][ T5224] RSP: 002b:00007ffc219a6e28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 59.948804][ T5224] RAX: ffffffffffffffda RBX: 00007ffc219a6e40 RCX: 00007f2a220a1dea [ 59.956793][ T5224] RDX: 0000000020000280 RSI: 0000000020000040 RDI: 00007ffc219a6e40 [ 59.964770][ T5224] RBP: 0000000000000004 R08: 00007ffc219a6e80 R09: 0000000000004440 [ 59.972728][ T5224] R10: 00000000000008c0 R11: 0000000000000282 R12: 00000000000008c0 [ 59.980685][ T5224] R13: 00007ffc219a6e80 R14: 0000000000000003 R15: 0000000001000000 [ 59.988654][ T5224] [ 59.991660][ T5224] Modules linked in: [ 59.995776][ T5224] ---[ end trace 0000000000000000 ]--- [ 60.001250][ T5224] RIP: 0010:ocfs2_write_block+0x62a/0x6b0 [ 60.007179][ T5224] Code: fc ff df 80 3c 08 00 74 08 4c 89 ef e8 5f 41 7a fe 49 8b 7d 00 48 89 de 48 8b 54 24 08 e8 de 44 11 00 eb 2e e8 97 1d 16 fe 90 <0f> 0b e8 8f 1d 16 fe 90 0f 0b e8 97 aa 33 08 e8 82 1d 16 fe 49 bd [ 60.026968][ T5224] RSP: 0018:ffffc90003326dc0 EFLAGS: 00010293 [ 60.033048][ T5224] RAX: ffffffff837d6ec9 RBX: 0000000000000000 RCX: ffff88801b318000 [ 60.041275][ T5224] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 60.049297][ T5224] RBP: ffffc90003326e90 R08: ffffffff837d6a20 R09: 1ffffffff1fee945 [ 60.057309][ T5224] R10: dffffc0000000000 R11: fffffbfff1fee946 R12: ffff88807e9ef2d0 [ 60.065329][ T5224] R13: dffffc0000000000 R14: ffff88807e9ef2b8 R15: ffff888011958000 [ 60.073306][ T5224] FS: 0000555580ce5380(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 [ 60.082283][ T5224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.088916][ T5224] CR2: 0000560086f89778 CR3: 0000000078dfe000 CR4: 00000000003506f0 [ 60.096906][ T5224] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.104906][ T5224] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.112867][ T5224] Kernel panic - not syncing: Fatal exception [ 60.119136][ T5224] Kernel Offset: disabled [ 60.123445][ T5224] Rebooting in 86400 seconds..