./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3200077461 <...> Warning: Permanently added '10.128.0.168' (ED25519) to the list of known hosts. execve("./syz-executor3200077461", ["./syz-executor3200077461"], 0x7ffe5ae5e7b0 /* 10 vars */) = 0 brk(NULL) = 0x55558a694000 brk(0x55558a694d00) = 0x55558a694d00 arch_prctl(ARCH_SET_FS, 0x55558a694380) = 0 set_tid_address(0x55558a694650) = 5088 set_robust_list(0x55558a694660, 24) = 0 rseq(0x55558a694ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3200077461", 4096) = 28 getrandom("\x0c\x3d\x34\x11\xad\x96\xb0\x98", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558a694d00 brk(0x55558a6b5d00) = 0x55558a6b5d00 brk(0x55558a6b6000) = 0x55558a6b6000 mprotect(0x7fae7a806000, 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 5089 attached , child_tidptr=0x55558a694650) = 5089 [pid 5089] set_robust_list(0x55558a694660, 24) = 0 [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5089] setpgid(0, 0) = 0 [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5089] write(3, "1000", 4) = 4 [pid 5089] close(3) = 0 executing program [pid 5089] write(1, "executing program\n", 18) = 18 [pid 5089] memfd_create("syzkaller", 0) = 3 [pid 5089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fae72200000 [pid 5089] 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 5089] munmap(0x7fae72200000, 138412032) = 0 [pid 5089] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5089] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5089] close(3) = 0 [pid 5089] close(4) = 0 [pid 5089] mkdir("./file0", 0777) = 0 [pid 5089] mount("/dev/loop0", "./file0", "jfs", MS_NODIRATIME, "errors=continue,discard=0x0000000000000004,grpquota,iocharset=cp857,noquota,grpquota,iocharset=iso88"...) = 0 [pid 5089] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5089] chdir("./file0") = 0 [ 78.381510][ T5089] loop0: detected capacity change from 0 to 32768 [pid 5089] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 78.451161][ T5089] BUG at fs/jfs/jfs_dmap.c:3028 assert(bitno < 32) [ 78.458097][ T5089] ------------[ cut here ]------------ [ 78.464311][ T5089] kernel BUG at fs/jfs/jfs_dmap.c:3028! [ 78.469983][ T5089] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 78.477042][ T5089] CPU: 0 PID: 5089 Comm: syz-executor320 Not tainted 6.10.0-rc6-syzkaller-00069-g795c58e4c7fc #0 [ 78.487641][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 78.497808][ T5089] RIP: 0010:dbFindBits+0x1ce/0x1d0 [ 78.502990][ T5089] 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 [ 78.522977][ T5089] RSP: 0018:ffffc9000345ee40 EFLAGS: 00010246 [ 78.529111][ T5089] RAX: 0000000000000030 RBX: 0000000000000000 RCX: 04dedc11a82c6d00 [ 78.537099][ T5089] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 78.545277][ T5089] RBP: 0000000000000020 R08: ffffffff8176927c R09: 1ffff9200068bd68 [ 78.553382][ T5089] R10: dffffc0000000000 R11: fffff5200068bd69 R12: 0000000000000001 [ 78.561467][ T5089] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 78.569458][ T5089] FS: 000055558a694380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 78.578607][ T5089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.585323][ T5089] CR2: 00007f3b2dd95ed8 CR3: 0000000018680000 CR4: 00000000003506f0 [ 78.593315][ T5089] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.601365][ T5089] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.609354][ T5089] Call Trace: [ 78.612699][ T5089] [ 78.615658][ T5089] ? __die_body+0x88/0xe0 [ 78.620078][ T5089] ? die+0xcf/0x110 [ 78.623911][ T5089] ? do_trap+0x15a/0x3a0 [ 78.628183][ T5089] ? dbFindBits+0x1ce/0x1d0 [ 78.632739][ T5089] ? do_error_trap+0x1dc/0x2c0 [ 78.637707][ T5089] ? dbFindBits+0x1ce/0x1d0 [ 78.642233][ T5089] ? __pfx_do_error_trap+0x10/0x10 [ 78.647385][ T5089] ? handle_invalid_op+0x34/0x40 [ 78.652356][ T5089] ? dbFindBits+0x1ce/0x1d0 [ 78.656875][ T5089] ? exc_invalid_op+0x38/0x50 [ 78.661578][ T5089] ? asm_exc_invalid_op+0x1a/0x20 [ 78.666827][ T5089] ? __wake_up_klogd+0xcc/0x110 [ 78.672678][ T5089] ? dbFindBits+0x1ce/0x1d0 [ 78.678054][ T5089] dbAllocDmapLev+0x1e9/0x4a0 [ 78.682998][ T5089] ? __pfx_dbAllocDmapLev+0x10/0x10 [ 78.688266][ T5089] dbAllocCtl+0x113/0x920 [ 78.692660][ T5089] dbAllocAG+0x28f/0x10b0 [ 78.697022][ T5089] ? __down_write_common+0x162/0x200 [ 78.702788][ T5089] ? __pfx_dbAllocAG+0x10/0x10 [ 78.707770][ T5089] dbAlloc+0x658/0xca0 [ 78.712089][ T5089] ? __pfx_dbAlloc+0x10/0x10 [ 78.718412][ T5089] ? __kasan_kmalloc+0x98/0xb0 [ 78.723329][ T5089] ? dtInsert+0x885/0x6b00 [ 78.727946][ T5089] ? kmalloc_trace_noprof+0x19c/0x2c0 [ 78.733810][ T5089] dtInsert+0xda7/0x6b00 [ 78.738111][ T5089] ? __pfx_dtInsert+0x10/0x10 [ 78.743095][ T5089] ? __pfx_lock_acquire+0x10/0x10 [ 78.749197][ T5089] ? txLock+0x2b5/0x21a0 [ 78.753475][ T5089] ? __pfx_lock_release+0x10/0x10 [ 78.758616][ T5089] ? do_raw_spin_lock+0x14f/0x370 [ 78.763757][ T5089] ? do_raw_spin_unlock+0x13c/0x8b0 [ 78.769001][ T5089] ? dtSearch+0x1d59/0x2520 [ 78.773631][ T5089] ? kfree+0x149/0x360 [ 78.777759][ T5089] jfs_create+0x7ba/0xb90 [ 78.782117][ T5089] ? __pfx_jfs_create+0x10/0x10 [ 78.786994][ T5089] ? __pfx_jfs_lookup+0x10/0x10 [ 78.791870][ T5089] ? make_vfsuid+0x46/0x90 [ 78.796390][ T5089] ? bpf_lsm_inode_create+0x9/0x10 [ 78.801687][ T5089] ? security_inode_create+0xc2/0x110 [ 78.807090][ T5089] ? __pfx_jfs_create+0x10/0x10 [ 78.812047][ T5089] path_openat+0x1a84/0x35f0 [ 78.816773][ T5089] ? __pfx_path_openat+0x10/0x10 [ 78.821748][ T5089] do_filp_open+0x235/0x490 [ 78.826274][ T5089] ? __pfx_do_filp_open+0x10/0x10 [ 78.831326][ T5089] ? _raw_spin_unlock+0x28/0x50 [ 78.836369][ T5089] ? alloc_fd+0x5a1/0x640 [ 78.840720][ T5089] do_sys_openat2+0x13e/0x1d0 [ 78.845462][ T5089] ? __pfx_do_sys_openat2+0x10/0x10 [ 78.850685][ T5089] ? _raw_spin_unlock_irq+0x2e/0x50 [ 78.855989][ T5089] ? ptrace_notify+0x279/0x380 [ 78.860774][ T5089] __x64_sys_creat+0x123/0x170 [ 78.865555][ T5089] ? __pfx___x64_sys_creat+0x10/0x10 [ 78.870856][ T5089] ? do_syscall_64+0x100/0x230 [ 78.875643][ T5089] do_syscall_64+0xf3/0x230 [ 78.880170][ T5089] ? clear_bhb_loop+0x35/0x90 [ 78.885055][ T5089] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.891057][ T5089] RIP: 0033:0x7fae7a78be19 [ 78.895523][ T5089] 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 [ 78.915247][ T5089] RSP: 002b:00007ffc554e2808 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 78.923672][ T5089] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fae7a78be19 [ 78.931652][ T5089] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000e00 [ 78.939720][ T5089] RBP: 00007fae7a8065f0 R08: 00000000000060b7 R09: 000055558a6954c0 [ 78.947704][ T5089] R10: 00007ffc554e26d0 R11: 0000000000000246 R12: 00007ffc554e2830 [ 78.955715][ T5089] R13: 00007ffc554e2a58 R14: 431bde82d7b634db R15: 00007fae7a7d503b [ 78.963969][ T5089] [ 78.966995][ T5089] Modules linked in: [ 78.971144][ T5089] ---[ end trace 0000000000000000 ]--- [ 78.976726][ T5089] RIP: 0010:dbFindBits+0x1ce/0x1d0 [ 78.982052][ T5089] 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 [ 79.002406][ T5089] RSP: 0018:ffffc9000345ee40 EFLAGS: 00010246 [ 79.008676][ T5089] RAX: 0000000000000030 RBX: 0000000000000000 RCX: 04dedc11a82c6d00 [ 79.016686][ T5089] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 79.024815][ T5089] RBP: 0000000000000020 R08: ffffffff8176927c R09: 1ffff9200068bd68 [ 79.032853][ T5089] R10: dffffc0000000000 R11: fffff5200068bd69 R12: 0000000000000001 [ 79.040889][ T5089] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 79.049014][ T5089] FS: 000055558a694380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 79.057969][ T5089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.064657][ T5089] CR2: 00007f3b2dd95ed8 CR3: 0000000018680000 CR4: 00000000003506f0 [ 79.072723][ T5089] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.080872][ T5089] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.088940][ T5089] Kernel panic - not syncing: Fatal exception [ 79.095273][ T5089] Kernel Offset: disabled [ 79.099611][ T5089] Rebooting in 86400 seconds..