./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2579274799 <...> Warning: Permanently added '10.128.1.62' (ED25519) to the list of known hosts. execve("./syz-executor2579274799", ["./syz-executor2579274799"], 0x7ffea094db40 /* 10 vars */) = 0 brk(NULL) = 0x555557076000 brk(0x555557076d00) = 0x555557076d00 arch_prctl(ARCH_SET_FS, 0x555557076380) = 0 set_tid_address(0x555557076650) = 5027 set_robust_list(0x555557076660, 24) = 0 rseq(0x555557076ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2579274799", 4096) = 28 getrandom("\x8b\xca\x99\x01\x31\xa2\x94\x32", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557076d00 brk(0x555557097d00) = 0x555557097d00 brk(0x555557098000) = 0x555557098000 mprotect(0x7fd081654000, 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 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd07919e000 syzkaller login: [ 50.428713][ T5027] syz-executor257[5027]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set 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 munmap(0x7fd07919e000, 16777216) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 mount("/dev/loop0", "./file0", "jfs", MS_POSIXACL, "quota,iocharset=cp1250,nodiscard,gid=0x000000000000ee00,noquota,errors=continue,errors=remount-ro,") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 [ 50.546813][ T5027] loop0: detected capacity change from 0 to 32768 [ 50.561972][ T5027] ================================================================================ [ 50.571270][ T5027] UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2632:11 [ 50.578456][ T5027] shift exponent 121 is too large for 32-bit type 'int' [ 50.585863][ T5027] CPU: 1 PID: 5027 Comm: syz-executor257 Not tainted 6.5.0-syzkaller-11329-g708283abf896 #0 [ 50.595935][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 50.605975][ T5027] Call Trace: [ 50.609244][ T5027] [ 50.612162][ T5027] dump_stack_lvl+0x1e7/0x2d0 [ 50.616835][ T5027] ? nf_tcp_handle_invalid+0x650/0x650 [ 50.622280][ T5027] ? panic+0x770/0x770 [ 50.626335][ T5027] ? read_lock_is_recursive+0x20/0x20 [ 50.631695][ T5027] ? __kasan_slab_alloc+0x66/0x70 [ 50.636704][ T5027] __ubsan_handle_shift_out_of_bounds+0x3c3/0x420 [ 50.643116][ T5027] dbSplit+0x1e5/0x1f0 [ 50.647174][ T5027] dbAllocBits+0x4df/0x990 [ 50.651581][ T5027] dbAllocDmapLev+0x24e/0x490 [ 50.656248][ T5027] ? dbAllocNear+0x390/0x390 [ 50.660828][ T5027] dbAllocCtl+0x113/0x920 [ 50.665142][ T5027] ? rcu_is_watching+0x15/0xb0 [ 50.669890][ T5027] ? lock_acquire+0xe3/0x520 [ 50.674468][ T5027] dbAllocAG+0x28f/0x10b0 [ 50.678785][ T5027] ? do_sys_openat2+0x13e/0x1d0 [ 50.683625][ T5027] ? __down_write_common+0x161/0x200 [ 50.688900][ T5027] ? dbAllocDmapLev+0x490/0x490 [ 50.693742][ T5027] dbAlloc+0x658/0xca0 [ 50.697801][ T5027] ? dbNextAG+0x630/0x630 [ 50.702122][ T5027] dtInsert+0xda7/0x6b00 [ 50.706357][ T5027] ? do_filp_open+0x234/0x490 [ 50.711016][ T5027] ? __x64_sys_open+0x225/0x270 [ 50.715861][ T5027] ? UniStrupr+0x2c0/0x2c0 [ 50.720268][ T5027] ? print_irqtrace_events+0x220/0x220 [ 50.725715][ T5027] ? rcu_is_watching+0x15/0xb0 [ 50.730465][ T5027] ? lock_release+0xbf/0x9d0 [ 50.735045][ T5027] ? do_raw_spin_lock+0x14d/0x3a0 [ 50.740060][ T5027] ? txLock+0x10d3/0x1fa0 [ 50.744385][ T5027] jfs_create+0x7b6/0xb90 [ 50.748701][ T5027] ? jfs_lookup+0x410/0x410 [ 50.753191][ T5027] ? jfs_get_parent+0xa0/0xa0 [ 50.757862][ T5027] ? make_vfsuid+0x6f/0xb0 [ 50.762269][ T5027] ? bpf_lsm_inode_create+0x9/0x10 [ 50.767364][ T5027] ? security_inode_create+0xb8/0x100 [ 50.772719][ T5027] ? jfs_lookup+0x410/0x410 [ 50.777213][ T5027] path_openat+0x13e7/0x3180 [ 50.781804][ T5027] ? do_filp_open+0x490/0x490 [ 50.786466][ T5027] ? rcu_is_watching+0x15/0xb0 [ 50.791224][ T5027] do_filp_open+0x234/0x490 [ 50.795713][ T5027] ? vfs_tmpfile+0x4b0/0x4b0 [ 50.800296][ T5027] ? _raw_spin_unlock+0x28/0x40 [ 50.805132][ T5027] ? alloc_fd+0x59c/0x640 [ 50.809450][ T5027] do_sys_openat2+0x13e/0x1d0 [ 50.814118][ T5027] ? do_sys_open+0x230/0x230 [ 50.818694][ T5027] ? _raw_spin_unlock_irq+0x2e/0x50 [ 50.823878][ T5027] ? ptrace_notify+0x278/0x380 [ 50.828631][ T5027] __x64_sys_open+0x225/0x270 [ 50.833295][ T5027] ? do_sys_openat2+0x1d0/0x1d0 [ 50.838130][ T5027] ? rcu_is_watching+0x15/0xb0 [ 50.842879][ T5027] ? syscall_enter_from_user_mode+0x8c/0x230 [ 50.848847][ T5027] do_syscall_64+0x41/0xc0 [ 50.853247][ T5027] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 50.859125][ T5027] RIP: 0033:0x7fd0815db9b9 [ 50.863528][ T5027] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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 [ 50.883119][ T5027] RSP: 002b:00007fffef2b1cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 50.891516][ T5027] RAX: ffffffffffffffda RBX: 00007fffef2b1ea8 RCX: 00007fd0815db9b9 [ 50.899472][ T5027] RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000020000400 [ 50.907425][ T5027] RBP: 00007fd081654610 R08: 00000000000060cc R09: 0000000000000000 [ 50.915378][ T5027] R10: 00007fffef2b1b90 R11: 0000000000000246 R12: 0000000000000001 [ 50.923332][ T5027] R13: 00007fffef2b1e98 R14: 0000000000000001 R15: 0000000000000001 [ 50.931294][ T5027] [ 50.936327][ T5027] ================================================================================ [ 50.945744][ T5027] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 50.952928][ T5027] CPU: 0 PID: 5027 Comm: syz-executor257 Not tainted 6.5.0-syzkaller-11329-g708283abf896 #0 [ 50.962965][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 50.972995][ T5027] Call Trace: [ 50.976254][ T5027] [ 50.979162][ T5027] dump_stack_lvl+0x1e7/0x2d0 [ 50.983816][ T5027] ? nf_tcp_handle_invalid+0x650/0x650 [ 50.989250][ T5027] ? panic+0x770/0x770 [ 50.993299][ T5027] ? vscnprintf+0x5d/0x80 [ 50.997603][ T5027] panic+0x30f/0x770 [ 51.001474][ T5027] ? check_panic_on_warn+0x21/0xa0 [ 51.006562][ T5027] ? __memcpy_flushcache+0x2b0/0x2b0 [ 51.011832][ T5027] ? dump_stack_lvl+0x253/0x2d0 [ 51.016673][ T5027] ? read_lock_is_recursive+0x20/0x20 [ 51.022029][ T5027] check_panic_on_warn+0x82/0xa0 [ 51.026942][ T5027] __ubsan_handle_shift_out_of_bounds+0x3e2/0x420 [ 51.033341][ T5027] dbSplit+0x1e5/0x1f0 [ 51.037388][ T5027] dbAllocBits+0x4df/0x990 [ 51.041789][ T5027] dbAllocDmapLev+0x24e/0x490 [ 51.046459][ T5027] ? dbAllocNear+0x390/0x390 [ 51.051026][ T5027] dbAllocCtl+0x113/0x920 [ 51.055335][ T5027] ? rcu_is_watching+0x15/0xb0 [ 51.060078][ T5027] ? lock_acquire+0xe3/0x520 [ 51.064648][ T5027] dbAllocAG+0x28f/0x10b0 [ 51.068953][ T5027] ? do_sys_openat2+0x13e/0x1d0 [ 51.073790][ T5027] ? __down_write_common+0x161/0x200 [ 51.079059][ T5027] ? dbAllocDmapLev+0x490/0x490 [ 51.083889][ T5027] dbAlloc+0x658/0xca0 [ 51.087939][ T5027] ? dbNextAG+0x630/0x630 [ 51.092251][ T5027] dtInsert+0xda7/0x6b00 [ 51.096475][ T5027] ? do_filp_open+0x234/0x490 [ 51.101128][ T5027] ? __x64_sys_open+0x225/0x270 [ 51.105957][ T5027] ? UniStrupr+0x2c0/0x2c0 [ 51.110352][ T5027] ? print_irqtrace_events+0x220/0x220 [ 51.115793][ T5027] ? rcu_is_watching+0x15/0xb0 [ 51.120535][ T5027] ? lock_release+0xbf/0x9d0 [ 51.125104][ T5027] ? do_raw_spin_lock+0x14d/0x3a0 [ 51.130106][ T5027] ? txLock+0x10d3/0x1fa0 [ 51.134421][ T5027] jfs_create+0x7b6/0xb90 [ 51.138727][ T5027] ? jfs_lookup+0x410/0x410 [ 51.143553][ T5027] ? jfs_get_parent+0xa0/0xa0 [ 51.148211][ T5027] ? make_vfsuid+0x6f/0xb0 [ 51.152611][ T5027] ? bpf_lsm_inode_create+0x9/0x10 [ 51.157700][ T5027] ? security_inode_create+0xb8/0x100 [ 51.163048][ T5027] ? jfs_lookup+0x410/0x410 [ 51.167524][ T5027] path_openat+0x13e7/0x3180 [ 51.172100][ T5027] ? do_filp_open+0x490/0x490 [ 51.176757][ T5027] ? rcu_is_watching+0x15/0xb0 [ 51.181498][ T5027] do_filp_open+0x234/0x490 [ 51.185979][ T5027] ? vfs_tmpfile+0x4b0/0x4b0 [ 51.190551][ T5027] ? _raw_spin_unlock+0x28/0x40 [ 51.195379][ T5027] ? alloc_fd+0x59c/0x640 [ 51.199692][ T5027] do_sys_openat2+0x13e/0x1d0 [ 51.204347][ T5027] ? do_sys_open+0x230/0x230 [ 51.208913][ T5027] ? _raw_spin_unlock_irq+0x2e/0x50 [ 51.214090][ T5027] ? ptrace_notify+0x278/0x380 [ 51.218832][ T5027] __x64_sys_open+0x225/0x270 [ 51.223486][ T5027] ? do_sys_openat2+0x1d0/0x1d0 [ 51.228312][ T5027] ? rcu_is_watching+0x15/0xb0 [ 51.233053][ T5027] ? syscall_enter_from_user_mode+0x8c/0x230 [ 51.239015][ T5027] do_syscall_64+0x41/0xc0 [ 51.243407][ T5027] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 51.249276][ T5027] RIP: 0033:0x7fd0815db9b9 [ 51.253670][ T5027] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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 [ 51.273260][ T5027] RSP: 002b:00007fffef2b1cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 51.281653][ T5027] RAX: ffffffffffffffda RBX: 00007fffef2b1ea8 RCX: 00007fd0815db9b9 [ 51.289599][ T5027] RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000020000400 [ 51.297545][ T5027] RBP: 00007fd081654610 R08: 00000000000060cc R09: 0000000000000000 [ 51.305491][ T5027] R10: 00007fffef2b1b90 R11: 0000000000000246 R12: 0000000000000001 [ 51.313439][ T5027] R13: 00007fffef2b1e98 R14: 0000000000000001 R15: 0000000000000001 [ 51.321394][ T5027] [ 51.324600][ T5027] Kernel Offset: disabled [ 51.328905][ T5027] Rebooting in 86400 seconds..