./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3070757749 <...> Warning: Permanently added '10.128.1.153' (ED25519) to the list of known hosts. execve("./syz-executor3070757749", ["./syz-executor3070757749"], 0x7ffd9afc2630 /* 10 vars */) = 0 brk(NULL) = 0x555557f07000 brk(0x555557f07d00) = 0x555557f07d00 arch_prctl(ARCH_SET_FS, 0x555557f07380) = 0 set_tid_address(0x555557f07650) = 5080 set_robust_list(0x555557f07660, 24) = 0 rseq(0x555557f07ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3070757749", 4096) = 28 getrandom("\x98\x2e\x86\x16\x10\x42\x02\x6b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557f07d00 brk(0x555557f28d00) = 0x555557f28d00 brk(0x555557f29000) = 0x555557f29000 mprotect(0x7ff95b682000, 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 executing program write(1, "executing program\n", 18) = 18 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff953000000 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(0x7ff953000000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./bus", 0777) = 0 mount("/dev/loop0", "./bus", "jfs", 0, "") = 0 openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 chdir("./bus") = 0 [ 56.737998][ T5080] loop0: detected capacity change from 0 to 32768 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "blkio.bfq.io_service_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 56.813916][ T5080] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN PTI [ 56.826532][ T5080] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 56.834965][ T5080] CPU: 0 PID: 5080 Comm: syz-executor307 Not tainted 6.10.0-rc4-syzkaller-00217-g35bb670d65fc #0 [ 56.845455][ T5080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 56.855521][ T5080] RIP: 0010:dtInsertEntry+0xd0c/0x1780 [ 56.861077][ T5080] Code: 83 e6 02 31 ff e8 f4 32 73 fe 83 e3 02 75 3a e8 ea 2f 73 fe 48 8b 9c 24 a8 00 00 00 48 83 c3 08 48 89 d8 48 c1 e8 03 4c 89 f2 <42> 0f b6 04 30 84 c0 74 3e 89 d9 80 e1 07 38 c1 7c 35 48 89 df e8 [ 56.880691][ T5080] RSP: 0018:ffffc900033bf060 EFLAGS: 00010202 [ 56.886759][ T5080] RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff888023c79e00 [ 56.894719][ T5080] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 56.902769][ T5080] RBP: ffffc900033bf210 R08: ffffffff8322f4ac R09: 1ffff1100fdd700b [ 56.910724][ T5080] R10: dffffc0000000000 R11: ffffed100fdd700c R12: ffff88807eeb82f0 [ 56.918778][ T5080] R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000007 [ 56.926790][ T5080] FS: 0000555557f07380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 56.935718][ T5080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.942294][ T5080] CR2: 000000000066c7e0 CR3: 000000001975a000 CR4: 00000000003506f0 [ 56.950258][ T5080] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.958216][ T5080] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.966346][ T5080] Call Trace: [ 56.969634][ T5080] [ 56.972642][ T5080] ? __die_body+0x88/0xe0 [ 56.976975][ T5080] ? die_addr+0x108/0x140 [ 56.981388][ T5080] ? exc_general_protection+0x3dd/0x5d0 [ 56.986942][ T5080] ? asm_exc_general_protection+0x26/0x30 [ 56.992746][ T5080] ? dtInsertEntry+0xcec/0x1780 [ 56.997590][ T5080] ? dtInsertEntry+0xd0c/0x1780 [ 57.002450][ T5080] ? __pfx_dtInsertEntry+0x10/0x10 [ 57.007553][ T5080] ? rcu_is_watching+0x15/0xb0 [ 57.012306][ T5080] ? __mark_inode_dirty+0x41c/0xe20 [ 57.017510][ T5080] dtInsert+0xbf1/0x6b00 [ 57.021800][ T5080] ? mark_lock+0x9a/0x350 [ 57.026132][ T5080] ? __lock_acquire+0x1346/0x1fd0 [ 57.031169][ T5080] ? __pfx_dtInsert+0x10/0x10 [ 57.035867][ T5080] ? __pfx_lock_acquire+0x10/0x10 [ 57.040981][ T5080] ? txLock+0x2b5/0x21a0 [ 57.045214][ T5080] ? __pfx_lock_release+0x10/0x10 [ 57.050227][ T5080] ? do_raw_spin_lock+0x14f/0x370 [ 57.055245][ T5080] ? do_raw_spin_unlock+0x13c/0x8b0 [ 57.060432][ T5080] ? dtSearch+0x1d59/0x2520 [ 57.064930][ T5080] ? kfree+0x149/0x360 [ 57.068993][ T5080] ? txLock+0x125b/0x21a0 [ 57.073411][ T5080] jfs_create+0x7ba/0xb90 [ 57.077766][ T5080] ? __pfx_jfs_create+0x10/0x10 [ 57.082610][ T5080] ? __pfx_jfs_lookup+0x10/0x10 [ 57.087479][ T5080] ? make_vfsuid+0x46/0x90 [ 57.092088][ T5080] ? bpf_lsm_inode_create+0x9/0x10 [ 57.097217][ T5080] ? security_inode_create+0xc2/0x110 [ 57.102596][ T5080] ? __pfx_jfs_create+0x10/0x10 [ 57.107528][ T5080] path_openat+0x1425/0x3280 [ 57.112125][ T5080] ? __pfx_path_openat+0x10/0x10 [ 57.117082][ T5080] do_filp_open+0x235/0x490 [ 57.121697][ T5080] ? __pfx_do_filp_open+0x10/0x10 [ 57.126735][ T5080] ? _raw_spin_unlock+0x28/0x50 [ 57.131585][ T5080] ? alloc_fd+0x5a1/0x640 [ 57.136015][ T5080] do_sys_openat2+0x13e/0x1d0 [ 57.140706][ T5080] ? __pfx_do_sys_openat2+0x10/0x10 [ 57.145906][ T5080] ? lockdep_hardirqs_on+0x99/0x150 [ 57.151122][ T5080] ? _raw_spin_unlock_irq+0x2e/0x50 [ 57.156590][ T5080] ? ptrace_notify+0x279/0x380 [ 57.161356][ T5080] __x64_sys_openat+0x247/0x2a0 [ 57.166205][ T5080] ? __pfx___x64_sys_openat+0x10/0x10 [ 57.171657][ T5080] ? do_syscall_64+0x100/0x230 [ 57.176433][ T5080] do_syscall_64+0xf3/0x230 [ 57.180935][ T5080] ? clear_bhb_loop+0x35/0x90 [ 57.185610][ T5080] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 57.191615][ T5080] RIP: 0033:0x7ff95b609639 [ 57.196025][ T5080] 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 [ 57.215655][ T5080] RSP: 002b:00007fff49ac04a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 57.224263][ T5080] RAX: ffffffffffffffda RBX: 00007fff49ac0688 RCX: 00007ff95b609639 [ 57.232348][ T5080] RDX: 000000000000275a RSI: 0000000020000080 RDI: 00000000ffffff9c [ 57.240313][ T5080] RBP: 00007ff95b682610 R08: 0000000000000000 R09: 0000000000000000 [ 57.248290][ T5080] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 57.256454][ T5080] R13: 00007fff49ac0678 R14: 0000000000000001 R15: 0000000000000001 [ 57.264459][ T5080] [ 57.267478][ T5080] Modules linked in: [ 57.271601][ T5080] ---[ end trace 0000000000000000 ]--- [ 57.277065][ T5080] RIP: 0010:dtInsertEntry+0xd0c/0x1780 [ 57.282635][ T5080] Code: 83 e6 02 31 ff e8 f4 32 73 fe 83 e3 02 75 3a e8 ea 2f 73 fe 48 8b 9c 24 a8 00 00 00 48 83 c3 08 48 89 d8 48 c1 e8 03 4c 89 f2 <42> 0f b6 04 30 84 c0 74 3e 89 d9 80 e1 07 38 c1 7c 35 48 89 df e8 [ 57.302632][ T5080] RSP: 0018:ffffc900033bf060 EFLAGS: 00010202 [ 57.308830][ T5080] RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff888023c79e00 [ 57.316811][ T5080] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 57.324821][ T5080] RBP: ffffc900033bf210 R08: ffffffff8322f4ac R09: 1ffff1100fdd700b [ 57.332889][ T5080] R10: dffffc0000000000 R11: ffffed100fdd700c R12: ffff88807eeb82f0 [ 57.340912][ T5080] R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000007 [ 57.349129][ T5080] FS: 0000555557f07380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 57.358128][ T5080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.364724][ T5080] CR2: 000000000066c7e0 CR3: 000000001975a000 CR4: 00000000003506f0 [ 57.372952][ T5080] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.381008][ T5080] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.389126][ T5080] Kernel panic - not syncing: Fatal exception [ 57.395335][ T5080] Kernel Offset: disabled [ 57.399654][ T5080] Rebooting in 86400 seconds..