ci2-upstream-fs/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-upstream-fs/syz-executor3422218450 <...> Warning: Permanently added '10.128.1.43' (ED25519) to the list of known hosts. execve("ci2-upstream-fs/syz-executor3422218450", ["ci2-upstream-fs/syz-executor3422218450"], 0x7fff4e960d20 /* 10 vars */) = 0 brk(NULL) = 0x55556ada1000 brk(0x55556ada1d80) = 0x55556ada1d80 arch_prctl(ARCH_SET_FS, 0x55556ada1400) = 0 set_tid_address(0x55556ada16d0) = 5625 set_robust_list(0x55556ada16e0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-upstream-fs/syz-executor3422218450", 4096) = 44 getrandom("\x17\x5e\xa7\xc9\x9b\xac\x34\xdf", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556ada1d80 brk(0x55556adc2d80) = 0x55556adc2d80 brk(0x55556adc3000) = 0x55556adc3000 mprotect(0x7f5189098000, 20480, 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_RDONLY) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5626 attached , child_tidptr=0x55556ada16d0) = 5626 [pid 5626] set_robust_list(0x55556ada16e0, 24 [pid 5625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5626] <... set_robust_list resumed>) = 0 [pid 5626] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5626] setpgid(0, 0) = 0 [pid 5626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5626] write(3, "1000", 4) = 4 [pid 5626] close(3) = 0 [pid 5626] write(1, "executing program\n", 18) = 18 executing program [pid 5626] memfd_create("syzkaller", 0) = 3 [pid 5626] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5180bde000 [pid 5626] write(3, "\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\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\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8388608) = 8388608 [pid 5626] munmap(0x7f5180bde000, 138412032) = 0 [pid 5626] lseek(3, 0, SEEK_END) = 8388608 [pid 5626] ftruncate(3, 25165824) = 0 [pid 5626] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5626] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5626] close(3) = 0 [pid 5626] close(4) = 0 [pid 5626] mkdir("./sys", 0777) = 0 [ 97.574408][ T5626] loop0: detected capacity change from 0 to 49152 [ 97.630390][ T5626] EXT4-fs (loop0): Using encoding defined by superblock: utf8-12.1.0 with flags 0x0 [pid 5626] mount("/dev/loop0", "./sys", "ext4", 0, "init_itable,,errors=continue") = 0 [pid 5626] openat(AT_FDCWD, "./sys", O_RDONLY|O_DIRECTORY) = 3 [pid 5626] chdir("./sys") = 0 [pid 5626] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 4 [pid 5626] ioctl(4, LOOP_CLR_FD) = 0 [pid 5626] close(4) = 0 [ 97.692376][ T5626] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w with ordered data mode. Quota mode: journalled. [ 97.775970][ T5626] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] SMP KASAN PTI [ 97.787939][ T5626] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] [ 97.796366][ T5626] CPU: 1 UID: 0 PID: 5626 Comm: syz-executor342 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 97.806601][ T5626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 97.816649][ T5626] RIP: 0010:jbd2_journal_file_inode+0x10e/0x5c0 [ 97.822988][ T5626] Code: 94 ff 49 8b 06 48 89 44 24 08 48 8d b8 e8 08 00 00 48 89 7c 24 30 e8 21 08 d1 08 48 8b 04 24 48 8d 78 28 48 89 f8 48 c1 e8 03 <80> 3c 28 00 74 05 e8 87 30 94 ff 48 8b 1c 24 4c 09 7b 28 4c 8d 7b [ 97.842598][ T5626] RSP: 0018:ffffc90004c17690 EFLAGS: 00010206 [ 97.848708][ T5626] RAX: 0000000000000005 RBX: 0000000000000000 RCX: ffffffff9ada4a01 [ 97.856666][ T5626] RDX: 000000009c34c801 RSI: ffffffff8bed2560 RDI: 0000000000000028 [ 97.864626][ T5626] RBP: dffffc0000000000 R08: ffffffff8b781fe2 R09: 0000000000000000 [ 97.872587][ T5626] R10: dffffc0000000000 R11: fffffbfff21ab398 R12: 1ffff110067de680 [ 97.880541][ T5626] R13: 00000000000007ff R14: ffff888033ef3400 R15: 0000000000000006 [ 97.888498][ T5626] FS: 000055556ada1400(0000) GS:ffff888124811000(0000) knlGS:0000000000000000 [ 97.897419][ T5626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.903986][ T5626] CR2: 00007ffd3ee05c74 CR3: 00000000426c8000 CR4: 00000000003526f0 [ 97.911945][ T5626] Call Trace: [ 97.915212][ T5626] [ 97.918134][ T5626] ext4_map_blocks+0x161e/0x1c60 [ 97.923073][ T5626] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 97.928878][ T5626] ? __pfx_ext4_map_blocks+0x10/0x10 [ 97.934156][ T5626] ? __asan_memcpy+0x40/0x70 [ 97.938736][ T5626] ? ext4_read_inline_data+0x100/0x2b0 [ 97.944185][ T5626] ext4_convert_inline_data_nolock+0x25d/0x980 [ 97.950329][ T5626] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 97.956126][ T5626] ? __pfx_ext4_convert_inline_data_nolock+0x10/0x10 [ 97.962793][ T5626] ext4_convert_inline_data+0x484/0x5c0 [ 97.968330][ T5626] ? __pfx_ext4_convert_inline_data+0x10/0x10 [ 97.974401][ T5626] ? smack_inode_setattr+0x193/0x230 [ 97.979687][ T5626] ext4_setattr+0xef2/0x1560 [ 97.984285][ T5626] ? __pfx_ext4_setattr+0x10/0x10 [ 97.989306][ T5626] notify_change+0xbb8/0xec0 [ 97.993898][ T5626] do_truncate+0x1c2/0x250 [ 97.998310][ T5626] ? __pfx_do_truncate+0x10/0x10 [ 98.003240][ T5626] ? ima_iint_find+0x53/0x110 [ 98.007911][ T5626] ? ima_path_truncate+0x13c/0x190 [ 98.013010][ T5626] vfs_truncate+0x4ba/0x540 [ 98.017504][ T5626] ? __pfx_vfs_truncate+0x10/0x10 [ 98.022514][ T5626] ? do_getname+0x151/0x250 [ 98.027024][ T5626] ksys_truncate+0xf3/0x1c0 [ 98.031527][ T5626] ? __pfx_ksys_truncate+0x10/0x10 [ 98.036625][ T5626] __x64_sys_truncate+0x5b/0x70 [ 98.041463][ T5626] do_syscall_64+0x16a/0x530 [ 98.046041][ T5626] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 98.052091][ T5626] ? clear_bhb_loop+0x70/0xc0 [ 98.056750][ T5626] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 98.062648][ T5626] RIP: 0033:0x7f518900a909 [ 98.067071][ T5626] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 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 d8 ff ff ff f7 d8 64 89 01 48 [ 98.086664][ T5626] RSP: 002b:00007ffefc2154d8 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 98.095067][ T5626] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f518900a909 [ 98.103023][ T5626] RDX: 00007ffefc215360 RSI: 0000000002fffffd RDI: 00002000000033c0 [ 98.110977][ T5626] RBP: 0000000000000001 R08: 0000000000000000 R09: 000055556ada2560 [ 98.118929][ T5626] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffefc215500 [ 98.126889][ T5626] R13: 0000000000000002 R14: 431bde82d7b634db R15: 00007f518906a04b [ 98.134866][ T5626] [ 98.137885][ T5626] Modules linked in: [ 98.141835][ T5626] ---[ end trace 0000000000000000 ]--- [ 98.147804][ T5626] RIP: 0010:jbd2_journal_file_inode+0x10e/0x5c0 [ 98.147840][ T5626] Code: 94 ff 49 8b 06 48 89 44 24 08 48 8d b8 e8 08 00 00 48 89 7c 24 30 e8 21 08 d1 08 48 8b 04 24 48 8d 78 28 48 89 f8 48 c1 e8 03 <80> 3c 28 00 74 05 e8 87 30 94 ff 48 8b 1c 24 4c 09 7b 28 4c 8d 7b [ 98.147854][ T5626] RSP: 0018:ffffc90004c17690 EFLAGS: 00010206 [ 98.147871][ T5626] RAX: 0000000000000005 RBX: 0000000000000000 RCX: ffffffff9ada4a01 [ 98.147884][ T5626] RDX: 000000009c34c801 RSI: ffffffff8bed2560 RDI: 0000000000000028 [ 98.147896][ T5626] RBP: dffffc0000000000 R08: ffffffff8b781fe2 R09: 0000000000000000 [ 98.147909][ T5626] R10: dffffc0000000000 R11: fffffbfff21ab398 R12: 1ffff110067de680 [ 98.147922][ T5626] R13: 00000000000007ff R14: ffff888033ef3400 R15: 0000000000000006 [ 98.147934][ T5626] FS: 000055556ada1400(0000) GS:ffff888124811000(0000) knlGS:0000000000000000 [ 98.147950][ T5626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 98.147963][ T5626] CR2: 00007ffd3ee05c74 CR3: 00000000426c8000 CR4: 00000000003526f0 [ 98.147987][ T5626] Kernel panic - not syncing: Fatal exception [ 98.249215][ T5626] Kernel Offset: disabled [ 98.253555][ T5626] Rebooting in 86400 seconds..