./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1072520187 <...> Warning: Permanently added '10.128.0.205' (ED25519) to the list of known hosts. execve("./syz-executor1072520187", ["./syz-executor1072520187"], 0x7ffe9ced8430 /* 10 vars */) = 0 brk(NULL) = 0x55558eb40000 brk(0x55558eb40d00) = 0x55558eb40d00 arch_prctl(ARCH_SET_FS, 0x55558eb40380) = 0 set_tid_address(0x55558eb40650) = 5083 set_robust_list(0x55558eb40660, 24) = 0 rseq(0x55558eb40ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1072520187", 4096) = 28 getrandom("\xca\x81\xea\x29\xaa\xa5\xb5\x88", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558eb40d00 brk(0x55558eb61d00) = 0x55558eb61d00 brk(0x55558eb62000) = 0x55558eb62000 mprotect(0x7f380d79e000, 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 5084 attached , child_tidptr=0x55558eb40650) = 5084 [pid 5084] set_robust_list(0x55558eb40660, 24) = 0 [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5084] setpgid(0, 0) = 0 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "1000", 4) = 4 [pid 5084] close(3) = 0 [pid 5084] write(1, "executing program\n", 18executing program ) = 18 [pid 5084] memfd_create("syzkaller", 0) = 3 [pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3805200000 [pid 5084] 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"..., 16777216) = 16777216 [pid 5084] munmap(0x7f3805200000, 138412032) = 0 [pid 5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5084] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5084] close(3) = 0 [pid 5084] close(4) = 0 [pid 5084] mkdir("./file1", 0777) = 0 [pid 5084] mount("/dev/loop0", "./file1", "jfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_NOATIME|MS_REC|MS_STRICTATIME|MS_LAZYTIME, "errors=continue,usrquota,integrity,iocharset=cp857,noquota,grpquota,uid=0x0000000000000000,") = 0 [pid 5084] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5084] chdir("./file1") = 0 [pid 5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5084] openat(AT_FDCWD, "blkio.throttle.io_serviced_recursive", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 syzkaller login: [ 74.645201][ T5084] loop0: detected capacity change from 0 to 32768 [ 74.706987][ T5084] BUG at fs/jfs/jfs_dmap.c:3028 assert(bitno < 32) [ 74.714145][ T5084] ------------[ cut here ]------------ [ 74.719821][ T5084] kernel BUG at fs/jfs/jfs_dmap.c:3028! [ 74.725427][ T5084] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 74.732370][ T5084] CPU: 0 PID: 5084 Comm: syz-executor107 Not tainted 6.10.0-rc6-syzkaller-00051-g1dfe225e9af5 #0 [ 74.742865][ T5084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 74.752928][ T5084] RIP: 0010:dbFindBits+0x1ce/0x1d0 [ 74.758075][ T5084] Code: 58 08 90 0f 0b e8 b2 00 74 fe 48 c7 c7 a0 5e 02 8c 48 c7 c6 e0 5b 02 8c ba d4 0b 00 00 48 c7 c1 80 66 02 8c e8 43 03 58 08 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 41 [ 74.777685][ T5084] RSP: 0018:ffffc90003db6e20 EFLAGS: 00010246 [ 74.783751][ T5084] RAX: 0000000000000030 RBX: 0000000000000000 RCX: fc49f59f6128b200 [ 74.791730][ T5084] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 74.799697][ T5084] RBP: 0000000000000020 R08: ffffffff8176927c R09: 1ffff920007b6d64 [ 74.807673][ T5084] R10: dffffc0000000000 R11: fffff520007b6d65 R12: 0000000000000001 [ 74.815637][ T5084] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 74.823629][ T5084] FS: 000055558eb40380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 74.832562][ T5084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.839149][ T5084] CR2: 00007f4985995ed8 CR3: 0000000023aca000 CR4: 00000000003506f0 [ 74.847121][ T5084] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.855090][ T5084] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.863059][ T5084] Call Trace: [ 74.866338][ T5084] [ 74.869270][ T5084] ? __die_body+0x88/0xe0 [ 74.873613][ T5084] ? die+0xcf/0x110 [ 74.877431][ T5084] ? do_trap+0x15a/0x3a0 [ 74.881684][ T5084] ? dbFindBits+0x1ce/0x1d0 [ 74.886194][ T5084] ? do_error_trap+0x1dc/0x2c0 [ 74.891049][ T5084] ? dbFindBits+0x1ce/0x1d0 [ 74.895559][ T5084] ? __pfx_do_error_trap+0x10/0x10 [ 74.900679][ T5084] ? report_bug+0x3e8/0x500 [ 74.905207][ T5084] ? handle_invalid_op+0x34/0x40 [ 74.910148][ T5084] ? dbFindBits+0x1ce/0x1d0 [ 74.914746][ T5084] ? exc_invalid_op+0x38/0x50 [ 74.919434][ T5084] ? asm_exc_invalid_op+0x1a/0x20 [ 74.924463][ T5084] ? __wake_up_klogd+0xcc/0x110 [ 74.929349][ T5084] ? dbFindBits+0x1ce/0x1d0 [ 74.933864][ T5084] dbAllocDmapLev+0x1e9/0x4a0 [ 74.938563][ T5084] ? __pfx_dbAllocDmapLev+0x10/0x10 [ 74.943770][ T5084] dbAllocCtl+0x113/0x920 [ 74.948284][ T5084] dbAllocAG+0x28f/0x10b0 [ 74.952625][ T5084] ? __down_write_common+0x162/0x200 [ 74.957922][ T5084] ? __pfx_dbAllocAG+0x10/0x10 [ 74.962695][ T5084] dbAlloc+0x658/0xca0 [ 74.966801][ T5084] ? __pfx_dbAlloc+0x10/0x10 [ 74.971483][ T5084] ? __kasan_kmalloc+0x98/0xb0 [ 74.976257][ T5084] ? dtInsert+0x885/0x6b00 [ 74.980682][ T5084] ? kmalloc_trace_noprof+0x19c/0x2c0 [ 74.986066][ T5084] dtInsert+0xda7/0x6b00 [ 74.990338][ T5084] ? __pfx_dtInsert+0x10/0x10 [ 74.995022][ T5084] ? __pfx_lock_acquire+0x10/0x10 [ 75.000062][ T5084] ? txLock+0x2b5/0x21a0 [ 75.004305][ T5084] ? __pfx_lock_release+0x10/0x10 [ 75.009327][ T5084] ? do_raw_spin_lock+0x14f/0x370 [ 75.014538][ T5084] ? do_raw_spin_unlock+0x13c/0x8b0 [ 75.019749][ T5084] ? dtSearch+0x1d59/0x2520 [ 75.024256][ T5084] ? kfree+0x149/0x360 [ 75.028344][ T5084] jfs_create+0x7ba/0xb90 [ 75.032699][ T5084] ? __pfx_jfs_create+0x10/0x10 [ 75.037564][ T5084] ? __pfx_jfs_lookup+0x10/0x10 [ 75.042433][ T5084] ? make_vfsuid+0x46/0x90 [ 75.046859][ T5084] ? bpf_lsm_inode_create+0x9/0x10 [ 75.051968][ T5084] ? security_inode_create+0xc2/0x110 [ 75.057359][ T5084] ? __pfx_jfs_create+0x10/0x10 [ 75.062218][ T5084] path_openat+0x1a84/0x35f0 [ 75.066828][ T5084] ? __pfx_path_openat+0x10/0x10 [ 75.071783][ T5084] do_filp_open+0x235/0x490 [ 75.076296][ T5084] ? __pfx_do_filp_open+0x10/0x10 [ 75.081352][ T5084] ? _raw_spin_unlock+0x28/0x50 [ 75.086226][ T5084] ? alloc_fd+0x5a1/0x640 [ 75.090557][ T5084] do_sys_openat2+0x13e/0x1d0 [ 75.095242][ T5084] ? __pfx_do_sys_openat2+0x10/0x10 [ 75.100447][ T5084] ? lockdep_hardirqs_on+0x99/0x150 [ 75.105655][ T5084] ? _raw_spin_unlock_irq+0x2e/0x50 [ 75.110874][ T5084] ? ptrace_notify+0x279/0x380 [ 75.115646][ T5084] __x64_sys_openat+0x247/0x2a0 [ 75.120501][ T5084] ? __pfx___x64_sys_openat+0x10/0x10 [ 75.125877][ T5084] ? do_syscall_64+0x100/0x230 [ 75.130652][ T5084] do_syscall_64+0xf3/0x230 [ 75.135175][ T5084] ? clear_bhb_loop+0x35/0x90 [ 75.139863][ T5084] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.145766][ T5084] RIP: 0033:0x7f380d723d59 [ 75.150193][ T5084] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 75.169801][ T5084] RSP: 002b:00007ffc3f39f288 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 75.178224][ T5084] RAX: ffffffffffffffda RBX: 0000000020000080 RCX: 00007f380d723d59 [ 75.186196][ T5084] RDX: 000000000000275a RSI: 0000000020000040 RDI: 00000000ffffff9c [ 75.194255][ T5084] RBP: 00007f380d79e5f0 R08: 000055558eb414c0 R09: 000055558eb414c0 [ 75.202227][ T5084] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc3f39f2b0 [ 75.210370][ T5084] R13: 00007ffc3f39f4d8 R14: 431bde82d7b634db R15: 00007f380d76d03b [ 75.218370][ T5084] [ 75.221402][ T5084] Modules linked in: [ 75.225729][ T5084] ---[ end trace 0000000000000000 ]--- [ 75.231875][ T5084] RIP: 0010:dbFindBits+0x1ce/0x1d0 [ 75.237038][ T5084] Code: 58 08 90 0f 0b e8 b2 00 74 fe 48 c7 c7 a0 5e 02 8c 48 c7 c6 e0 5b 02 8c ba d4 0b 00 00 48 c7 c1 80 66 02 8c e8 43 03 58 08 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 41 [ 75.256914][ T5084] RSP: 0018:ffffc90003db6e20 EFLAGS: 00010246 [ 75.263117][ T5084] RAX: 0000000000000030 RBX: 0000000000000000 RCX: fc49f59f6128b200 [ 75.271308][ T5084] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 75.279366][ T5084] RBP: 0000000000000020 R08: ffffffff8176927c R09: 1ffff920007b6d64 [ 75.287370][ T5084] R10: dffffc0000000000 R11: fffff520007b6d65 R12: 0000000000000001 [ 75.295387][ T5084] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 75.303487][ T5084] FS: 000055558eb40380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 75.312478][ T5084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.319128][ T5084] CR2: 00007ffc3f3a0000 CR3: 0000000023aca000 CR4: 00000000003506f0 [ 75.327102][ T5084] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.335115][ T5084] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.343139][ T5084] Kernel panic - not syncing: Fatal exception [ 75.349503][ T5084] Kernel Offset: disabled [ 75.353831][ T5084] Rebooting in 86400 seconds..