./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1653623272 <...> Warning: Permanently added '10.128.0.124' (ED25519) to the list of known hosts. execve("./syz-executor1653623272", ["./syz-executor1653623272"], 0x7ffdfa36f140 /* 10 vars */) = 0 brk(NULL) = 0x555555ca8000 brk(0x555555ca8d00) = 0x555555ca8d00 arch_prctl(ARCH_SET_FS, 0x555555ca8380) = 0 set_tid_address(0x555555ca8650) = 5013 set_robust_list(0x555555ca8660, 24) = 0 rseq(0x555555ca8ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1653623272", 4096) = 28 getrandom("\x1f\xd7\x6c\xba\x63\xbb\xe9\xce", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555ca8d00 brk(0x555555cc9d00) = 0x555555cc9d00 brk(0x555555cca000) = 0x555555cca000 mprotect(0x7f5b7b2ad000, 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/sg0", O_RDONLY) = 3 [ 56.655277][ T5013] ------------[ cut here ]------------ [ 56.660753][ T5013] WARNING: CPU: 0 PID: 5013 at lib/iov_iter.c:385 _copy_from_iter+0x2d9/0x1190 [ 56.669906][ T5013] Modules linked in: [ 56.673842][ T5013] CPU: 0 PID: 5013 Comm: syz-executor165 Not tainted 6.5.0-rc7-syzkaller-00168-g7d2f353b2682 #0 [ 56.684667][ T5013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 56.695065][ T5013] RIP: 0010:_copy_from_iter+0x2d9/0x1190 [ 56.700706][ T5013] Code: 25 28 00 00 00 48 3b 84 24 00 01 00 00 0f 85 92 0e 00 00 4c 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 37 e3 56 fd <0f> 0b 45 31 f6 eb a7 e8 2b e3 56 fd 49 89 de e9 52 fe ff ff e8 1e [ 56.720458][ T5013] RSP: 0018:ffffc9000391f360 EFLAGS: 00010293 [ 56.726667][ T5013] RAX: ffffffff8434d4f9 RBX: 0000000000000000 RCX: ffff8880293f1dc0 [ 56.734673][ T5013] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 56.742652][ T5013] RBP: ffffc9000391f4b8 R08: ffffffff8434d2d2 R09: 0000000000000200 [ 56.750703][ T5013] R10: dffffc0000000000 R11: ffffed1002bd660f R12: 1ffff92000723e7c [ 56.758741][ T5013] R13: dffffc0000000000 R14: 0000000000000021 R15: ffffc9000391f6f0 [ 56.767018][ T5013] FS: 0000555555ca8380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 56.776031][ T5013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.782603][ T5013] CR2: 00000000004561a0 CR3: 000000002a52b000 CR4: 00000000003506f0 [ 56.791048][ T5013] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.799154][ T5013] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.807254][ T5013] Call Trace: [ 56.810632][ T5013] [ 56.813704][ T5013] ? __warn+0x162/0x4a0 [ 56.817880][ T5013] ? _copy_from_iter+0x2d9/0x1190 [ 56.823018][ T5013] ? report_bug+0x2b3/0x500 [ 56.827575][ T5013] ? _copy_from_iter+0x2d9/0x1190 [ 56.832613][ T5013] ? handle_bug+0x3d/0x70 [ 56.837163][ T5013] ? exc_invalid_op+0x1a/0x50 [ 56.841848][ T5013] ? asm_exc_invalid_op+0x1a/0x20 [ 56.846916][ T5013] ? _copy_from_iter+0xb2/0x1190 [ 56.851870][ T5013] ? _copy_from_iter+0x2d9/0x1190 [ 56.857148][ T5013] ? _copy_from_iter+0x2d9/0x1190 [ 56.862932][ T5013] ? bio_add_hw_page+0x3bf/0x750 [ 56.867927][ T5013] ? copyout_mc+0x80/0x80 [ 56.872508][ T5013] ? bio_add_pc_page+0xb8/0x110 [ 56.878194][ T5013] ? bio_add_hw_page+0x750/0x750 [ 56.883731][ T5013] ? page_copy_sane+0x46/0x270 [ 56.888595][ T5013] copy_page_from_iter+0x7a/0x100 [ 56.894318][ T5013] blk_rq_map_user_iov+0x146d/0x2570 [ 56.900245][ T5013] ? mark_lock+0x9a/0x340 [ 56.905352][ T5013] ? lockdep_hardirqs_on+0x98/0x140 [ 56.911094][ T5013] ? blk_rq_append_bio+0x510/0x510 [ 56.916360][ T5013] ? lock_acquire+0x25a/0x520 [ 56.921065][ T5013] ? import_ubuf+0x93/0x290 [ 56.925611][ T5013] blk_rq_map_user_io+0x288/0x420 [ 56.930649][ T5013] ? sg_common_write+0xb76/0x14d0 [ 56.936002][ T5013] ? blk_rq_map_user+0x190/0x190 [ 56.941142][ T5013] ? rcu_is_watching+0x15/0xb0 [ 56.946221][ T5013] ? __mutex_lock_common+0x42d/0x2530 [ 56.951598][ T5013] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 56.957649][ T5013] ? __mutex_unlock_slowpath+0x21c/0x750 [ 56.963319][ T5013] ? sg_common_write+0x9f9/0x14d0 [ 56.968337][ T5013] ? mutex_unlock+0x10/0x10 [ 56.972828][ T5013] ? _raw_spin_unlock+0x40/0x40 [ 56.977719][ T5013] ? __debug_object_init+0xec/0x310 [ 56.982930][ T5013] ? sg_link_reserve+0x28a/0x530 [ 56.987951][ T5013] sg_common_write+0xd7f/0x14d0 [ 56.992827][ T5013] ? sg_add_request+0x650/0x650 [ 56.997831][ T5013] ? capable+0x88/0xe0 [ 57.001913][ T5013] ? scsi_cmd_allowed+0x23/0x7a0 [ 57.006933][ T5013] sg_new_write+0x5fe/0x7e0 [ 57.011641][ T5013] ? sg_remove_scat+0x4c0/0x4c0 [ 57.016600][ T5013] ? __kmem_cache_free+0x25f/0x3b0 [ 57.021736][ T5013] ? _raw_spin_lock_irqsave+0x120/0x120 [ 57.027419][ T5013] sg_ioctl+0x17bd/0x2e80 [ 57.031763][ T5013] ? sg_poll+0x3c0/0x3c0 [ 57.036145][ T5013] ? do_notify_parent+0xf50/0xf50 [ 57.041269][ T5013] ? print_irqtrace_events+0x220/0x220 [ 57.046948][ T5013] ? bpf_lsm_file_ioctl+0x9/0x10 [ 57.051900][ T5013] ? security_file_ioctl+0x81/0xa0 [ 57.057049][ T5013] ? sg_poll+0x3c0/0x3c0 [ 57.061303][ T5013] __se_sys_ioctl+0xf8/0x170 [ 57.066057][ T5013] do_syscall_64+0x41/0xc0 [ 57.070489][ T5013] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.076465][ T5013] RIP: 0033:0x7f5b7b23a1e9 [ 57.080893][ T5013] 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 [ 57.101022][ T5013] RSP: 002b:00007fffbc4a45c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 57.109676][ T5013] RAX: ffffffffffffffda RBX: 00007fffbc4a4798 RCX: 00007f5b7b23a1e9 [ 57.117774][ T5013] RDX: 0000000020000180 RSI: 0000000000002285 RDI: 0000000000000003 [ 57.125893][ T5013] RBP: 00007f5b7b2ad610 R08: 002367732f766564 R09: 00007fffbc4a4798 [ 57.133992][ T5013] R10: 000000000000001f R11: 0000000000000246 R12: 0000000000000001 [ 57.141972][ T5013] R13: 00007fffbc4a4788 R14: 0000000000000001 R15: 0000000000000001 [ 57.149995][ T5013] [ 57.153018][ T5013] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 57.160455][ T5013] CPU: 0 PID: 5013 Comm: syz-executor165 Not tainted 6.5.0-rc7-syzkaller-00168-g7d2f353b2682 #0 [ 57.170950][ T5013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 57.180995][ T5013] Call Trace: [ 57.184266][ T5013] [ 57.187273][ T5013] dump_stack_lvl+0x1e7/0x2d0 [ 57.191938][ T5013] ? nf_tcp_handle_invalid+0x650/0x650 [ 57.197395][ T5013] ? panic+0x770/0x770 [ 57.201452][ T5013] ? vscnprintf+0x5d/0x80 [ 57.205812][ T5013] panic+0x30f/0x770 [ 57.209808][ T5013] ? __warn+0x171/0x4a0 [ 57.214179][ T5013] ? __memcpy_flushcache+0x2b0/0x2b0 [ 57.219497][ T5013] __warn+0x314/0x4a0 [ 57.223488][ T5013] ? _copy_from_iter+0x2d9/0x1190 [ 57.228510][ T5013] report_bug+0x2b3/0x500 [ 57.232918][ T5013] ? _copy_from_iter+0x2d9/0x1190 [ 57.237943][ T5013] handle_bug+0x3d/0x70 [ 57.242090][ T5013] exc_invalid_op+0x1a/0x50 [ 57.246583][ T5013] asm_exc_invalid_op+0x1a/0x20 [ 57.251425][ T5013] RIP: 0010:_copy_from_iter+0x2d9/0x1190 [ 57.257054][ T5013] Code: 25 28 00 00 00 48 3b 84 24 00 01 00 00 0f 85 92 0e 00 00 4c 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 37 e3 56 fd <0f> 0b 45 31 f6 eb a7 e8 2b e3 56 fd 49 89 de e9 52 fe ff ff e8 1e [ 57.276737][ T5013] RSP: 0018:ffffc9000391f360 EFLAGS: 00010293 [ 57.282794][ T5013] RAX: ffffffff8434d4f9 RBX: 0000000000000000 RCX: ffff8880293f1dc0 [ 57.290754][ T5013] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 57.298800][ T5013] RBP: ffffc9000391f4b8 R08: ffffffff8434d2d2 R09: 0000000000000200 [ 57.306762][ T5013] R10: dffffc0000000000 R11: ffffed1002bd660f R12: 1ffff92000723e7c [ 57.314721][ T5013] R13: dffffc0000000000 R14: 0000000000000021 R15: ffffc9000391f6f0 [ 57.322715][ T5013] ? _copy_from_iter+0xb2/0x1190 [ 57.327693][ T5013] ? _copy_from_iter+0x2d9/0x1190 [ 57.332741][ T5013] ? bio_add_hw_page+0x3bf/0x750 [ 57.337709][ T5013] ? copyout_mc+0x80/0x80 [ 57.342044][ T5013] ? bio_add_pc_page+0xb8/0x110 [ 57.346892][ T5013] ? bio_add_hw_page+0x750/0x750 [ 57.351849][ T5013] ? page_copy_sane+0x46/0x270 [ 57.356723][ T5013] copy_page_from_iter+0x7a/0x100 [ 57.361763][ T5013] blk_rq_map_user_iov+0x146d/0x2570 [ 57.367149][ T5013] ? mark_lock+0x9a/0x340 [ 57.371527][ T5013] ? lockdep_hardirqs_on+0x98/0x140 [ 57.376732][ T5013] ? blk_rq_append_bio+0x510/0x510 [ 57.381875][ T5013] ? lock_acquire+0x25a/0x520 [ 57.386586][ T5013] ? import_ubuf+0x93/0x290 [ 57.391092][ T5013] blk_rq_map_user_io+0x288/0x420 [ 57.396205][ T5013] ? sg_common_write+0xb76/0x14d0 [ 57.401228][ T5013] ? blk_rq_map_user+0x190/0x190 [ 57.406255][ T5013] ? rcu_is_watching+0x15/0xb0 [ 57.411015][ T5013] ? __mutex_lock_common+0x42d/0x2530 [ 57.416384][ T5013] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 57.422368][ T5013] ? __mutex_unlock_slowpath+0x21c/0x750 [ 57.427989][ T5013] ? sg_common_write+0x9f9/0x14d0 [ 57.433018][ T5013] ? mutex_unlock+0x10/0x10 [ 57.437511][ T5013] ? _raw_spin_unlock+0x40/0x40 [ 57.442353][ T5013] ? __debug_object_init+0xec/0x310 [ 57.447542][ T5013] ? sg_link_reserve+0x28a/0x530 [ 57.452481][ T5013] sg_common_write+0xd7f/0x14d0 [ 57.457355][ T5013] ? sg_add_request+0x650/0x650 [ 57.462223][ T5013] ? capable+0x88/0xe0 [ 57.466390][ T5013] ? scsi_cmd_allowed+0x23/0x7a0 [ 57.471683][ T5013] sg_new_write+0x5fe/0x7e0 [ 57.476987][ T5013] ? sg_remove_scat+0x4c0/0x4c0 [ 57.481938][ T5013] ? __kmem_cache_free+0x25f/0x3b0 [ 57.487364][ T5013] ? _raw_spin_lock_irqsave+0x120/0x120 [ 57.492923][ T5013] sg_ioctl+0x17bd/0x2e80 [ 57.497438][ T5013] ? sg_poll+0x3c0/0x3c0 [ 57.501679][ T5013] ? do_notify_parent+0xf50/0xf50 [ 57.506726][ T5013] ? print_irqtrace_events+0x220/0x220 [ 57.512276][ T5013] ? bpf_lsm_file_ioctl+0x9/0x10 [ 57.517299][ T5013] ? security_file_ioctl+0x81/0xa0 [ 57.522403][ T5013] ? sg_poll+0x3c0/0x3c0 [ 57.526650][ T5013] __se_sys_ioctl+0xf8/0x170 [ 57.531328][ T5013] do_syscall_64+0x41/0xc0 [ 57.535739][ T5013] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.541627][ T5013] RIP: 0033:0x7f5b7b23a1e9 [ 57.546033][ T5013] 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 [ 57.567286][ T5013] RSP: 002b:00007fffbc4a45c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 57.575695][ T5013] RAX: ffffffffffffffda RBX: 00007fffbc4a4798 RCX: 00007f5b7b23a1e9 [ 57.583658][ T5013] RDX: 0000000020000180 RSI: 0000000000002285 RDI: 0000000000000003 [ 57.591650][ T5013] RBP: 00007f5b7b2ad610 R08: 002367732f766564 R09: 00007fffbc4a4798 [ 57.599641][ T5013] R10: 000000000000001f R11: 0000000000000246 R12: 0000000000000001 [ 57.607798][ T5013] R13: 00007fffbc4a4788 R14: 0000000000000001 R15: 0000000000000001 [ 57.615791][ T5013] [ 57.618902][ T5013] Kernel Offset: disabled [ 57.623282][ T5013] Rebooting in 86400 seconds..