./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor696619216 <...> Warning: Permanently added '10.128.0.131' (ED25519) to the list of known hosts. execve("./syz-executor696619216", ["./syz-executor696619216"], 0x7fff82f0aef0 /* 10 vars */) = 0 brk(NULL) = 0x555556ace000 brk(0x555556aced00) = 0x555556aced00 arch_prctl(ARCH_SET_FS, 0x555556ace380) = 0 set_tid_address(0x555556ace650) = 5059 set_robust_list(0x555556ace660, 24) = 0 rseq(0x555556aceca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor696619216", 4096) = 27 getrandom("\x14\xa1\xd6\x65\xbb\x28\x9a\x0b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556aced00 brk(0x555556aefd00) = 0x555556aefd00 brk(0x555556af0000) = 0x555556af0000 mprotect(0x7f99709f6000, 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 seccomp(SECCOMP_SET_MODE_FILTER, 0, {len=6, filter=0x20000000}) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "/dev/sg0", O_RDWR|O_LARGEFILE) = 3 fcntl(3, F_DUPFD, 3) = 4 [ 71.760973][ T5059] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN [ 71.772713][ T5059] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 71.781108][ T5059] CPU: 0 PID: 5059 Comm: syz-executor696 Not tainted 6.7.0-rc5-next-20231212-syzkaller #0 [ 71.791072][ T5059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 71.801127][ T5059] RIP: 0010:bio_first_folio+0xcb/0x5c0 [ 71.806615][ T5059] Code: 48 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 76 04 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 6d 00 49 8d 7d 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 49 04 00 00 4d 8b 7d 08 31 ff 4d 89 fc 41 83 e4 [ 71.826284][ T5059] RSP: 0018:ffffc900039ef448 EFLAGS: 00010202 [ 71.832344][ T5059] RAX: dffffc0000000000 RBX: ffffc900039ef4e8 RCX: ffffffff8444f4bd [ 71.840302][ T5059] RDX: 0000000000000001 RSI: ffffffff8444f4cb RDI: 0000000000000008 [ 71.848264][ T5059] RBP: ffff88801dad0888 R08: 0000000000000003 R09: 0000000000000000 [ 71.856240][ T5059] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801dad0800 [ 71.864308][ T5059] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801dad0800 [ 71.872281][ T5059] FS: 0000555556ace380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 71.881206][ T5059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.887805][ T5059] CR2: 00000000005fdeb8 CR3: 000000007c5b7000 CR4: 00000000003506f0 [ 71.895769][ T5059] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.903812][ T5059] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.911910][ T5059] Call Trace: [ 71.915186][ T5059] [ 71.918115][ T5059] ? show_regs+0x8e/0xa0 [ 71.922369][ T5059] ? die_addr+0x4f/0xd0 [ 71.926638][ T5059] ? exc_general_protection+0x155/0x230 [ 71.932200][ T5059] ? asm_exc_general_protection+0x26/0x30 [ 71.937937][ T5059] ? bio_first_folio+0x5d/0x5c0 [ 71.942795][ T5059] ? bio_first_folio+0x6b/0x5c0 [ 71.947728][ T5059] ? bio_first_folio+0xcb/0x5c0 [ 71.952573][ T5059] ? bio_first_folio+0x6b/0x5c0 [ 71.957430][ T5059] __bio_release_pages+0x9d/0x4b0 [ 71.962473][ T5059] ? rcu_is_watching+0x12/0xb0 [ 71.967239][ T5059] ? bio_first_folio+0x5c0/0x5c0 [ 71.972181][ T5059] ? __kmalloc+0x218/0x440 [ 71.976598][ T5059] ? bio_init+0x377/0x560 [ 71.980926][ T5059] bio_map_user_iov+0x8ee/0xa60 [ 71.985773][ T5059] ? blk_rq_unmap_user+0x900/0x900 [ 71.991063][ T5059] ? iov_iter_alignment+0xdd/0x5e0 [ 71.996192][ T5059] ? hlock_class+0x4e/0x130 [ 72.000706][ T5059] blk_rq_map_user_iov+0x6a5/0x1840 [ 72.005933][ T5059] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 72.011922][ T5059] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 72.017909][ T5059] ? bio_map_user_iov+0xa60/0xa60 [ 72.023294][ T5059] ? aa_get_newest_label+0x376/0x680 [ 72.028616][ T5059] ? find_held_lock+0x2d/0x110 [ 72.033402][ T5059] blk_rq_map_user_io+0x202/0x230 [ 72.038435][ T5059] ? blk_rq_map_user_io.part.0+0x2c0/0x2c0 [ 72.044339][ T5059] ? bpf_lsm_capable+0x9/0x10 [ 72.049022][ T5059] ? security_capable+0x92/0xc0 [ 72.053878][ T5059] sg_io+0x537/0xd70 [ 72.057780][ T5059] scsi_cdrom_send_packet+0x276/0x640 [ 72.063377][ T5059] ? get_sg_io_hdr+0x8e0/0x8e0 [ 72.068143][ T5059] scsi_ioctl+0x146/0x1840 [ 72.072572][ T5059] ? preempt_count_sub+0x160/0x160 [ 72.077717][ T5059] ? tomoyo_path_number_perm+0x463/0x580 [ 72.083350][ T5059] ? scsi_cdrom_send_packet+0x640/0x640 [ 72.088918][ T5059] ? scsi_block_when_processing_errors+0x2c1/0x380 [ 72.095416][ T5059] ? scsi_report_device_reset+0x1b0/0x1b0 [ 72.101134][ T5059] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 72.106938][ T5059] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 72.112829][ T5059] sg_ioctl+0xb7b/0x2760 [ 72.117185][ T5059] ? sg_new_write.isra.0+0xaa0/0xaa0 [ 72.122559][ T5059] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 72.128449][ T5059] ? bpf_lsm_file_ioctl+0x9/0x10 [ 72.133380][ T5059] ? sg_new_write.isra.0+0xaa0/0xaa0 [ 72.138683][ T5059] __x64_sys_ioctl+0x18f/0x210 [ 72.143445][ T5059] do_syscall_64+0x40/0x110 [ 72.147946][ T5059] entry_SYSCALL_64_after_hwframe+0x62/0x6a [ 72.153828][ T5059] RIP: 0033:0x7f9970983229 [ 72.158235][ T5059] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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 [ 72.177877][ T5059] RSP: 002b:00007ffda6357b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 72.186299][ T5059] RAX: ffffffffffffffda RBX: 00007ffda6357d68 RCX: 00007f9970983229 [ 72.194282][ T5059] RDX: 0000000020000000 RSI: 0000000000005393 RDI: 0000000000000004 [ 72.202340][ T5059] RBP: 00007f99709f6610 R08: 00007ffda6357d68 R09: 00007ffda6357d68 [ 72.210306][ T5059] R10: 002367732f766564 R11: 0000000000000246 R12: 0000000000000001 [ 72.218393][ T5059] R13: 00007ffda6357d58 R14: 0000000000000001 R15: 0000000000000001 [ 72.226387][ T5059] [ 72.229408][ T5059] Modules linked in: [ 72.240479][ T5059] ---[ end trace 0000000000000000 ]--- [ 72.246088][ T5059] RIP: 0010:bio_first_folio+0xcb/0x5c0 [ 72.251564][ T5059] Code: 48 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 76 04 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 6d 00 49 8d 7d 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 49 04 00 00 4d 8b 7d 08 31 ff 4d 89 fc 41 83 e4 [ 72.271349][ T5059] RSP: 0018:ffffc900039ef448 EFLAGS: 00010202 [ 72.277478][ T5059] RAX: dffffc0000000000 RBX: ffffc900039ef4e8 RCX: ffffffff8444f4bd [ 72.285565][ T5059] RDX: 0000000000000001 RSI: ffffffff8444f4cb RDI: 0000000000000008 [ 72.293546][ T5059] RBP: ffff88801dad0888 R08: 0000000000000003 R09: 0000000000000000 [ 72.301608][ T5059] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801dad0800 [ 72.309617][ T5059] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801dad0800 [ 72.317621][ T5059] FS: 0000555556ace380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 72.326593][ T5059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.333172][ T5059] CR2: 00000000005fdeb8 CR3: 000000007c5b7000 CR4: 00000000003506f0 [ 72.341276][ T5059] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.349428][ T5059] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.357445][ T5059] Kernel panic - not syncing: Fatal exception [ 72.363829][ T5059] Kernel Offset: disabled [ 72.368143][ T5059] Rebooting in 86400 seconds..