ci2-upstream-fs/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-upstream-fs/syz-executor2594896069 <...> Warning: Permanently added '10.128.1.68' (ED25519) to the list of known hosts. execve("ci2-upstream-fs/syz-executor2594896069", ["ci2-upstream-fs/syz-executor2594896069"], 0x7ffcd4761380 /* 10 vars */) = 0 brk(NULL) = 0x5555617db000 brk(0x5555617dbd80) = 0x5555617dbd80 arch_prctl(ARCH_SET_FS, 0x5555617db400) = 0 set_tid_address(0x5555617db6d0) = 5628 set_robust_list(0x5555617db6e0, 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-executor2594896069", 4096) = 44 getrandom("\xe6\x68\x22\x86\x83\x62\x88\x9b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555617dbd80 brk(0x5555617fcd80) = 0x5555617fcd80 brk(0x5555617fd000) = 0x5555617fd000 mprotect(0x7fa00cb22000, 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 5629 attached [pid 5629] set_robust_list(0x5555617db6e0, 24) = 0 [pid 5629] rt_sigprocmask(SIG_SETMASK, [] [pid 5628] <... clone resumed>, child_tidptr=0x5555617db6d0) = 5629 [pid 5629] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5629] setpgid(0, 0) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5629] <... openat resumed>) = 3 [pid 5629] write(3, "1000", 4) = 4 [pid 5629] close(3) = 0 [pid 5629] write(1, "executing program\n", 18) = 18 [pid 5629] memfd_create("syzkaller", 0) = 3 executing program [pid 5629] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa004668000 [pid 5629] 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 5629] munmap(0x7fa004668000, 138412032) = 0 [pid 5629] lseek(3, 0, SEEK_END) = 8388608 [pid 5629] ftruncate(3, 25165824) = 0 [pid 5629] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5629] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5629] close(3) = 0 [pid 5629] close(4) = 0 [pid 5629] mkdir("./sys", 0777) = 0 [ 83.212138][ T5629] loop0: detected capacity change from 0 to 49152 [ 83.251413][ T5629] EXT4-fs: Ignoring removed i_version option [ 83.273280][ T5629] EXT4-fs (loop0): Using encoding defined by superblock: utf8-12.1.0 with flags 0x0 [pid 5629] mount("/dev/loop0", "./sys", "ext4", 0, "init_itable,stripe=0x00000000000004c3,journal_checksum,i_version,,errors=continue") = 0 [pid 5629] openat(AT_FDCWD, "./sys", O_RDONLY|O_DIRECTORY) = 3 [pid 5629] chdir("./sys") = 0 [pid 5629] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 4 [pid 5629] ioctl(4, LOOP_CLR_FD) = 0 [pid 5629] close(4) = 0 [ 83.349448][ T5629] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w with ordered data mode. Quota mode: journalled. [ 83.407464][ T5629] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] SMP KASAN PTI [ 83.419393][ T5629] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] [ 83.427844][ T5629] CPU: 1 UID: 0 PID: 5629 Comm: syz-executor259 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 83.438081][ T5629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 83.448132][ T5629] RIP: 0010:jbd2_journal_file_inode+0x10e/0x5c0 [ 83.454399][ T5629] 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 [ 83.474116][ T5629] RSP: 0000:ffffc9000499f690 EFLAGS: 00010206 [ 83.480201][ T5629] RAX: 0000000000000005 RBX: 0000000000000000 RCX: ffffffff9ada4a01 [ 83.488244][ T5629] RDX: 0000000047964401 RSI: ffffffff8bed2560 RDI: 0000000000000028 [ 83.496231][ T5629] RBP: dffffc0000000000 R08: ffffffff8b781fe2 R09: 0000000000000000 [ 83.505088][ T5629] R10: dffffc0000000000 R11: fffffbfff21ab398 R12: 1ffff1100483b860 [ 83.513054][ T5629] R13: 00000000000007ff R14: ffff8880241dc300 R15: 0000000000000006 [ 83.521039][ T5629] FS: 00005555617db400(0000) GS:ffff888124811000(0000) knlGS:0000000000000000 [ 83.530143][ T5629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.536718][ T5629] CR2: 00002000000033c0 CR3: 0000000039160000 CR4: 00000000003526f0 [ 83.544706][ T5629] Call Trace: [ 83.548066][ T5629] [ 83.550993][ T5629] ext4_map_blocks+0x161e/0x1c60 [ 83.555930][ T5629] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 83.561740][ T5629] ? __pfx_ext4_map_blocks+0x10/0x10 [ 83.567046][ T5629] ? __asan_memcpy+0x40/0x70 [ 83.571624][ T5629] ? ext4_read_inline_data+0x100/0x2b0 [ 83.577077][ T5629] ext4_convert_inline_data_nolock+0x25d/0x980 [ 83.583230][ T5629] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 83.589045][ T5629] ? __pfx_ext4_convert_inline_data_nolock+0x10/0x10 [ 83.595714][ T5629] ext4_convert_inline_data+0x484/0x5c0 [ 83.601342][ T5629] ? __pfx_ext4_convert_inline_data+0x10/0x10 [ 83.607431][ T5629] ? smack_inode_setattr+0x193/0x230 [ 83.612712][ T5629] ext4_setattr+0xef2/0x1560 [ 83.617922][ T5629] ? __pfx_ext4_setattr+0x10/0x10 [ 83.623022][ T5629] notify_change+0xbb8/0xec0 [ 83.627605][ T5629] do_truncate+0x1c2/0x250 [ 83.632021][ T5629] ? __pfx_do_truncate+0x10/0x10 [ 83.636948][ T5629] ? ima_iint_find+0x53/0x110 [ 83.641634][ T5629] ? ima_path_truncate+0x13c/0x190 [ 83.646732][ T5629] vfs_truncate+0x4ba/0x540 [ 83.651225][ T5629] ? __pfx_vfs_truncate+0x10/0x10 [ 83.656233][ T5629] ? do_getname+0x151/0x250 [ 83.660730][ T5629] ksys_truncate+0xf3/0x1c0 [ 83.665221][ T5629] ? __pfx_ksys_truncate+0x10/0x10 [ 83.670324][ T5629] ? do_user_addr_fault+0xd3f/0x1480 [ 83.675601][ T5629] __x64_sys_truncate+0x5b/0x70 [ 83.680526][ T5629] do_syscall_64+0x16a/0x530 [ 83.685105][ T5629] ? trace_irq_disable+0x3b/0x140 [ 83.690122][ T5629] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 83.696175][ T5629] ? clear_bhb_loop+0x70/0xc0 [ 83.700837][ T5629] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 83.706714][ T5629] RIP: 0033:0x7fa00ca94bc9 [ 83.711137][ T5629] 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 [ 83.730748][ T5629] RSP: 002b:00007ffe28eb18e8 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 83.739153][ T5629] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa00ca94bc9 [ 83.747110][ T5629] RDX: 00007ffe28eb1770 RSI: 0000000002fffffd RDI: 00002000000033c0 [ 83.755074][ T5629] RBP: 0000000000000001 R08: 0000000000000000 R09: 00005555617dc560 [ 83.763028][ T5629] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe28eb1910 [ 83.771018][ T5629] R13: 0000000000000002 R14: 431bde82d7b634db R15: 00007fa00caf404b [ 83.778984][ T5629] [ 83.782002][ T5629] Modules linked in: [ 83.785968][ T5629] ---[ end trace 0000000000000000 ]--- [ 83.793906][ T5629] RIP: 0010:jbd2_journal_file_inode+0x10e/0x5c0 [ 83.794101][ T5629] 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 [ 83.794255][ T5629] RSP: 0000:ffffc9000499f690 EFLAGS: 00010206 [ 83.794353][ T5629] RAX: 0000000000000005 RBX: 0000000000000000 RCX: ffffffff9ada4a01 [ 83.794425][ T5629] RDX: 0000000047964401 RSI: ffffffff8bed2560 RDI: 0000000000000028 [ 83.794438][ T5629] RBP: dffffc0000000000 R08: ffffffff8b781fe2 R09: 0000000000000000 [ 83.794450][ T5629] R10: dffffc0000000000 R11: fffffbfff21ab398 R12: 1ffff1100483b860 [ 83.794503][ T5629] R13: 00000000000007ff R14: ffff8880241dc300 R15: 0000000000000006 [ 83.794517][ T5629] FS: 00005555617db400(0000) GS:ffff888124811000(0000) knlGS:0000000000000000 [ 83.794533][ T5629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.794545][ T5629] CR2: 00002000000033c0 CR3: 0000000039160000 CR4: 00000000003526f0 [ 83.794565][ T5629] Kernel panic - not syncing: Fatal exception [ 83.896192][ T5629] Kernel Offset: disabled [ 83.900532][ T5629] Rebooting in 86400 seconds..