./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1515440189 <...> Warning: Permanently added '10.128.1.218' (ED25519) to the list of known hosts. execve("./syz-executor1515440189", ["./syz-executor1515440189"], 0x7ffe96f12ac0 /* 10 vars */) = 0 brk(NULL) = 0x555565942000 brk(0x555565942d00) = 0x555565942d00 arch_prctl(ARCH_SET_FS, 0x555565942380) = 0 set_tid_address(0x555565942650) = 5215 set_robust_list(0x555565942660, 24) = 0 rseq(0x555565942ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1515440189", 4096) = 28 getrandom("\x2c\x77\xfb\xfc\x6d\x86\xe5\x2b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555565942d00 brk(0x555565963d00) = 0x555565963d00 brk(0x555565964000) = 0x555565964000 mprotect(0x7f1bf97be000, 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 write(1, "executing program\n", 18executing program ) = 18 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1bf1200000 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"..., 524288) = 524288 munmap(0x7f1bf1200000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file1", 0777) = 0 [ 61.304811][ T5215] loop0: detected capacity change from 0 to 1024 [ 61.338389][ T5215] EXT4-fs: Ignoring removed orlov option [ 61.344485][ T5215] EXT4-fs: Ignoring removed nomblk_io_submit option mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, "noblock_validity,bsddf,sysvgroups,norecovery,debug_want_extra_isize=0x0000000000000080,orlov,debug,n"...) = 0 openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 chdir("./file1") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) open("./bus", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_NOATIME|0x3c, 000) = 4 creat("./file1", 000) = 5 write(5, "\x78\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"..., 120) = 120 unlink("./file1") = 0 mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = 0 open("./bus", O_RDONLY) = 6 io_uring_setup(5414, {flags=0, sq_thread_cpu=0x3, sq_thread_idle=0, sq_entries=8192, cq_entries=16384, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x6000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=262208}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 7 mmap(NULL, 294976, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 7, 0) = 0x7f1bf96bc000 mmap(NULL, 524288, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 7, 0x10000000) = 0x7f1bf963c000 [ 61.370092][ T5215] [EXT4 FS bs=1024, gc=1, bpg=131072, ipg=32, mo=8843c118, mo2=0002] [ 61.380393][ T5215] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. ioctl(6, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x2c, lo_encrypt_type=0x40 /* LO_CRYPT_??? */, lo_encrypt_key_size=40, lo_flags=0, lo_name="", lo_encrypt_key="\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", ...}) = 0 exit_group(0) = ? [ 61.477428][ T5215] loop0: detected capacity change from 1024 to 1023 [ 61.494723][ T5215] ------------[ cut here ]------------ [ 61.500423][ T5215] kernel BUG at fs/ext4/inline.c:1953! [ 61.505952][ T5215] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 61.512891][ T5215] CPU: 1 UID: 0 PID: 5215 Comm: syz-executor151 Not tainted 6.11.0-rc5-syzkaller-00057-g86987d84b968 #0 [ 61.523980][ T5215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 61.534027][ T5215] RIP: 0010:ext4_inline_data_truncate+0xced/0xcf0 [ 61.540452][ T5215] Code: e9 17 fd ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 44 fd ff ff e8 c3 fb a1 ff e9 3a fd ff ff e8 09 ad 58 09 e8 04 df 3d ff 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e [ 61.560046][ T5215] RSP: 0018:ffffc90003517660 EFLAGS: 00010293 [ 61.566103][ T5215] RAX: ffffffff8255ac9c RBX: ffffc90003517700 RCX: ffff888027810000 [ 61.574062][ T5215] RDX: 0000000000000000 RSI: 00000000ffffffc3 RDI: 0000000000000000 [ 61.582014][ T5215] RBP: ffffc900035177f0 R08: ffffffff8255a948 R09: 1ffff1100fce1a02 [ 61.589973][ T5215] R10: dffffc0000000000 R11: ffffed100fce1a03 R12: ffffc90003517760 [ 61.597930][ T5215] R13: dffffc0000000000 R14: 0000000000000002 R15: 0000000000000000 [ 61.605888][ T5215] FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 [ 61.614800][ T5215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.621369][ T5215] CR2: 00007fffa4e78008 CR3: 000000007b734000 CR4: 00000000003506f0 [ 61.629328][ T5215] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.637301][ T5215] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.645277][ T5215] Call Trace: [ 61.648548][ T5215] [ 61.651467][ T5215] ? __die_body+0x88/0xe0 [ 61.655806][ T5215] ? die+0xcf/0x110 [ 61.659609][ T5215] ? do_trap+0x15a/0x3a0 [ 61.663844][ T5215] ? ext4_inline_data_truncate+0xced/0xcf0 [ 61.669644][ T5215] ? do_error_trap+0x1dc/0x2c0 [ 61.674393][ T5215] ? ext4_inline_data_truncate+0xced/0xcf0 [ 61.680189][ T5215] ? __pfx_do_error_trap+0x10/0x10 [ 61.685286][ T5215] ? report_bug+0x3e8/0x500 [ 61.689790][ T5215] ? handle_invalid_op+0x34/0x40 [ 61.694714][ T5215] ? ext4_inline_data_truncate+0xced/0xcf0 [ 61.700509][ T5215] ? exc_invalid_op+0x38/0x50 [ 61.705170][ T5215] ? asm_exc_invalid_op+0x1a/0x20 [ 61.710182][ T5215] ? ext4_inline_data_truncate+0x998/0xcf0 [ 61.715975][ T5215] ? ext4_inline_data_truncate+0xcec/0xcf0 [ 61.721858][ T5215] ? ext4_inline_data_truncate+0xced/0xcf0 [ 61.727658][ T5215] ? __pfx_ext4_inline_data_truncate+0x10/0x10 [ 61.733804][ T5215] ? __ext4_mark_inode_dirty+0x5b2/0x880 [ 61.739430][ T5215] ext4_truncate+0x3c7/0x11a0 [ 61.744104][ T5215] ? __pfx_ext4_truncate+0x10/0x10 [ 61.749208][ T5215] ? ext4_journal_check_start+0x175/0x250 [ 61.754914][ T5215] ? ext4_inode_is_fast_symlink+0x266/0x3a0 [ 61.760799][ T5215] ext4_evict_inode+0x90f/0xf50 [ 61.765643][ T5215] ? _raw_spin_unlock+0x28/0x50 [ 61.770486][ T5215] ? __pfx_ext4_evict_inode+0x10/0x10 [ 61.775846][ T5215] ? do_raw_spin_unlock+0x13c/0x8b0 [ 61.781029][ T5215] ? _raw_spin_unlock+0x28/0x50 [ 61.785869][ T5215] ? __pfx_ext4_evict_inode+0x10/0x10 [ 61.791231][ T5215] evict+0x532/0x950 [ 61.795118][ T5215] ? __pfx_evict+0x10/0x10 [ 61.799523][ T5215] ? _raw_spin_unlock+0x28/0x50 [ 61.804365][ T5215] ? iput+0x6ed/0x930 [ 61.808336][ T5215] __dentry_kill+0x20d/0x630 [ 61.812916][ T5215] ? dput+0x37/0x2b0 [ 61.816797][ T5215] dput+0x19f/0x2b0 [ 61.820596][ T5215] __fput+0x5f8/0x8a0 [ 61.824573][ T5215] task_work_run+0x24f/0x310 [ 61.829154][ T5215] ? __pfx_task_work_run+0x10/0x10 [ 61.834255][ T5215] ? switch_task_namespaces+0xe4/0x110 [ 61.839703][ T5215] do_exit+0xa2f/0x27f0 [ 61.843848][ T5215] ? __pfx_do_exit+0x10/0x10 [ 61.848420][ T5215] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 61.854391][ T5215] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 61.860713][ T5215] ? _raw_spin_unlock_irq+0x23/0x50 [ 61.865900][ T5215] ? lockdep_hardirqs_on+0x99/0x150 [ 61.871091][ T5215] do_group_exit+0x207/0x2c0 [ 61.875668][ T5215] __x64_sys_exit_group+0x3f/0x40 [ 61.880677][ T5215] x64_sys_call+0x2634/0x2640 [ 61.885343][ T5215] do_syscall_64+0xf3/0x230 [ 61.889834][ T5215] ? clear_bhb_loop+0x35/0x90 [ 61.894499][ T5215] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.900480][ T5215] RIP: 0033:0x7f1bf97484b9 [ 61.904884][ T5215] Code: Unable to access opcode bytes at 0x7f1bf974848f. [ 61.911880][ T5215] RSP: 002b:00007ffd358142f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 61.920278][ T5215] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1bf97484b9 [ 61.928233][ T5215] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 61.936188][ T5215] RBP: 00007f1bf97c4370 R08: ffffffffffffffb8 R09: 00007ffd35814518 [ 61.944142][ T5215] R10: 0000000000000007 R11: 0000000000000246 R12: 00007f1bf97c4370 [ 61.952097][ T5215] R13: 0000000000000000 R14: 00007f1bf97c50e0 R15: 00007f1bf9716d80 [ 61.960058][ T5215] [ 61.963061][ T5215] Modules linked in: [ 61.967108][ T5215] ---[ end trace 0000000000000000 ]--- [ 61.973014][ T5215] RIP: 0010:ext4_inline_data_truncate+0xced/0xcf0 [ 61.979476][ T5215] Code: e9 17 fd ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 44 fd ff ff e8 c3 fb a1 ff e9 3a fd ff ff e8 09 ad 58 09 e8 04 df 3d ff 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e [ 61.999112][ T5215] RSP: 0018:ffffc90003517660 EFLAGS: 00010293 [ 62.005176][ T5215] RAX: ffffffff8255ac9c RBX: ffffc90003517700 RCX: ffff888027810000 [ 62.013179][ T5215] RDX: 0000000000000000 RSI: 00000000ffffffc3 RDI: 0000000000000000 [ 62.021182][ T5215] RBP: ffffc900035177f0 R08: ffffffff8255a948 R09: 1ffff1100fce1a02 [ 62.029259][ T5215] R10: dffffc0000000000 R11: ffffed100fce1a03 R12: ffffc90003517760 [ 62.037228][ T5215] R13: dffffc0000000000 R14: 0000000000000002 R15: 0000000000000000 [ 62.045223][ T5215] FS: 0000000000000000(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 [ 62.054167][ T5215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.060771][ T5215] CR2: 0000561cbcbfe9e0 CR3: 000000000e534000 CR4: 00000000003506f0 [ 62.068759][ T5215] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.076709][ T5215] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.084742][ T5215] Kernel panic - not syncing: Fatal exception [ 62.091002][ T5215] Kernel Offset: disabled [ 62.095310][ T5215] Rebooting in 86400 seconds..