./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor737391072 <...> Warning: Permanently added '10.128.0.243' (ED25519) to the list of known hosts. execve("./syz-executor737391072", ["./syz-executor737391072"], 0x7ffd18e87ed0 /* 10 vars */) = 0 brk(NULL) = 0x555556614000 brk(0x555556614d00) = 0x555556614d00 arch_prctl(ARCH_SET_FS, 0x555556614380) = 0 set_tid_address(0x555556614650) = 5067 set_robust_list(0x555556614660, 24) = 0 rseq(0x555556614ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor737391072", 4096) = 27 getrandom("\xec\x21\x11\xd1\xd4\x68\xde\x78", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556614d00 brk(0x555556635d00) = 0x555556635d00 brk(0x555556636000) = 0x555556636000 mprotect(0x7f47e3a03000, 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 sendmsg(-1, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EBADF (Bad file descriptor) [ 57.800512][ T5067] ------------[ cut here ]------------ [ 57.806036][ T5067] WARNING: CPU: 1 PID: 5067 at lib/iov_iter.c:274 _copy_from_iter+0x38c/0x10f0 [ 57.815163][ T5067] Modules linked in: [ 57.819105][ T5067] CPU: 1 PID: 5067 Comm: syz-executor737 Not tainted 6.7.0-rc6-syzkaller #0 [ 57.827787][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.837904][ T5067] RIP: 0010:_copy_from_iter+0x38c/0x10f0 [ 57.843617][ T5067] Code: 7e fd 0f 01 cb 4c 89 f9 4c 89 f7 48 89 de e8 ab 43 14 06 48 89 cb 0f 01 ca 4d 89 fc 49 29 cc e9 db fe ff ff e8 95 70 27 fd 90 <0f> 0b 90 45 31 e4 e9 25 ff ff ff e8 84 70 27 fd 48 8b 14 24 4c 89 [ 57.863278][ T5067] RSP: 0018:ffffc90003c3f4b0 EFLAGS: 00010293 [ 57.869380][ T5067] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff845ffb68 [ 57.877335][ T5067] RDX: ffff88802abdd940 RSI: ffffffff845ffe3b RDI: 0000000000000001 [ 57.885419][ T5067] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 57.893415][ T5067] R10: 0000000000000000 R11: ffffffff8aa0008b R12: 0000000000000001 [ 57.901472][ T5067] R13: ffffea00005dea00 R14: ffffc90003c3f6c8 R15: 0000000000000001 [ 57.909645][ T5067] FS: 0000555556614380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 57.918599][ T5067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.925190][ T5067] CR2: 00007f8f1ffb3b10 CR3: 0000000029085000 CR4: 0000000000350ef0 [ 57.933203][ T5067] Call Trace: [ 57.936483][ T5067] [ 57.939442][ T5067] ? show_regs+0x8f/0xa0 [ 57.943712][ T5067] ? __warn+0xe6/0x390 [ 57.947770][ T5067] ? _copy_from_iter+0x38c/0x10f0 [ 57.952860][ T5067] ? report_bug+0x3bc/0x580 [ 57.957396][ T5067] ? handle_bug+0x3d/0x70 [ 57.961772][ T5067] ? exc_invalid_op+0x17/0x40 [ 57.966631][ T5067] ? asm_exc_invalid_op+0x1a/0x20 [ 57.971688][ T5067] ? entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 57.977766][ T5067] ? _copy_from_iter+0xb8/0x10f0 [ 57.982737][ T5067] ? _copy_from_iter+0x38b/0x10f0 [ 57.987786][ T5067] ? _copy_from_iter+0x38c/0x10f0 [ 57.992856][ T5067] ? page_copy_sane+0x2c0/0x2c0 [ 57.997747][ T5067] ? bio_add_hw_page+0x1b9/0x440 [ 58.002716][ T5067] ? bio_add_pc_page+0xb5/0x100 [ 58.007582][ T5067] ? bio_add_hw_page+0x440/0x440 [ 58.012569][ T5067] copy_page_from_iter+0xa5/0x120 [ 58.017622][ T5067] blk_rq_map_user_iov+0x9e7/0x1840 [ 58.022958][ T5067] ? bio_map_user_iov+0xa60/0xa60 [ 58.028003][ T5067] ? __import_iovec+0x1fd/0x710 [ 58.033347][ T5067] ? import_iovec+0x10a/0x140 [ 58.038315][ T5067] blk_rq_map_user_io.part.0+0x276/0x2c0 [ 58.044018][ T5067] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 58.050056][ T5067] ? blk_rq_map_user+0x180/0x180 [ 58.055149][ T5067] blk_rq_map_user_io+0xe6/0x230 [ 58.060195][ T5067] ? blk_rq_map_user_io.part.0+0x2c0/0x2c0 [ 58.066514][ T5067] ? bit_wait_timeout+0x160/0x160 [ 58.071682][ T5067] ? _raw_spin_unlock_irqrestore+0x4e/0x70 [ 58.077669][ T5067] sg_common_write.constprop.0+0xd61/0x1c90 [ 58.084094][ T5067] ? sg_read+0x1590/0x1590 [ 58.088596][ T5067] ? security_capable+0x92/0xc0 [ 58.093474][ T5067] sg_new_write.isra.0+0x546/0xaa0 [ 58.098653][ T5067] ? sg_common_write.constprop.0+0x1c90/0x1c90 [ 58.104901][ T5067] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 58.111042][ T5067] ? do_vfs_ioctl+0x379/0x1920 [ 58.115854][ T5067] sg_ioctl+0x1814/0x2760 [ 58.120918][ T5067] ? sg_new_write.isra.0+0xaa0/0xaa0 [ 58.126241][ T5067] ? restore_fpregs_from_fpstate+0xc1/0x1d0 [ 58.132302][ T5067] ? bpf_lsm_file_ioctl+0x9/0x10 [ 58.137284][ T5067] ? sg_new_write.isra.0+0xaa0/0xaa0 [ 58.142636][ T5067] __x64_sys_ioctl+0x18f/0x210 [ 58.147446][ T5067] do_syscall_64+0x40/0x110 [ 58.151996][ T5067] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 58.158030][ T5067] RIP: 0033:0x7f47e3990229 [ 58.162522][ T5067] 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 [ 58.182218][ T5067] RSP: 002b:00007ffd28d58aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 58.190878][ T5067] RAX: ffffffffffffffda RBX: 00007ffd28d58c78 RCX: 00007f47e3990229 [ 58.198913][ T5067] RDX: 0000000020000300 RSI: 0000000000002285 RDI: 0000000000000003 [ 58.206913][ T5067] RBP: 00007f47e3a03610 R08: 00007ffd28d58c78 R09: 00007ffd28d58c78 [ 58.214968][ T5067] R10: 002367732f766564 R11: 0000000000000246 R12: 0000000000000001 [ 58.222982][ T5067] R13: 00007ffd28d58c68 R14: 0000000000000001 R15: 0000000000000001 [ 58.231047][ T5067] [ 58.234153][ T5067] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 58.241426][ T5067] CPU: 1 PID: 5067 Comm: syz-executor737 Not tainted 6.7.0-rc6-syzkaller #0 [ 58.250110][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 58.260165][ T5067] Call Trace: [ 58.263444][ T5067] [ 58.266454][ T5067] dump_stack_lvl+0xd9/0x1b0 [ 58.271048][ T5067] panic+0x6dc/0x790 [ 58.274940][ T5067] ? panic_smp_self_stop+0xa0/0xa0 [ 58.280052][ T5067] ? show_trace_log_lvl+0x363/0x4f0 [ 58.285477][ T5067] ? check_panic_on_warn+0x1f/0xb0 [ 58.290681][ T5067] ? _copy_from_iter+0x38c/0x10f0 [ 58.295795][ T5067] check_panic_on_warn+0xab/0xb0 [ 58.300737][ T5067] __warn+0xf2/0x390 [ 58.304643][ T5067] ? _copy_from_iter+0x38c/0x10f0 [ 58.309668][ T5067] report_bug+0x3bc/0x580 [ 58.314007][ T5067] handle_bug+0x3d/0x70 [ 58.318170][ T5067] exc_invalid_op+0x17/0x40 [ 58.322674][ T5067] asm_exc_invalid_op+0x1a/0x20 [ 58.327522][ T5067] RIP: 0010:_copy_from_iter+0x38c/0x10f0 [ 58.333161][ T5067] Code: 7e fd 0f 01 cb 4c 89 f9 4c 89 f7 48 89 de e8 ab 43 14 06 48 89 cb 0f 01 ca 4d 89 fc 49 29 cc e9 db fe ff ff e8 95 70 27 fd 90 <0f> 0b 90 45 31 e4 e9 25 ff ff ff e8 84 70 27 fd 48 8b 14 24 4c 89 [ 58.352872][ T5067] RSP: 0018:ffffc90003c3f4b0 EFLAGS: 00010293 [ 58.358951][ T5067] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff845ffb68 [ 58.366923][ T5067] RDX: ffff88802abdd940 RSI: ffffffff845ffe3b RDI: 0000000000000001 [ 58.375070][ T5067] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 58.383041][ T5067] R10: 0000000000000000 R11: ffffffff8aa0008b R12: 0000000000000001 [ 58.391010][ T5067] R13: ffffea00005dea00 R14: ffffc90003c3f6c8 R15: 0000000000000001 [ 58.398997][ T5067] ? entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 58.405077][ T5067] ? _copy_from_iter+0xb8/0x10f0 [ 58.410027][ T5067] ? _copy_from_iter+0x38b/0x10f0 [ 58.415065][ T5067] ? page_copy_sane+0x2c0/0x2c0 [ 58.419924][ T5067] ? bio_add_hw_page+0x1b9/0x440 [ 58.424863][ T5067] ? bio_add_pc_page+0xb5/0x100 [ 58.429711][ T5067] ? bio_add_hw_page+0x440/0x440 [ 58.434644][ T5067] copy_page_from_iter+0xa5/0x120 [ 58.439685][ T5067] blk_rq_map_user_iov+0x9e7/0x1840 [ 58.444890][ T5067] ? bio_map_user_iov+0xa60/0xa60 [ 58.449921][ T5067] ? __import_iovec+0x1fd/0x710 [ 58.454782][ T5067] ? import_iovec+0x10a/0x140 [ 58.459460][ T5067] blk_rq_map_user_io.part.0+0x276/0x2c0 [ 58.465091][ T5067] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 58.471166][ T5067] ? blk_rq_map_user+0x180/0x180 [ 58.476125][ T5067] blk_rq_map_user_io+0xe6/0x230 [ 58.481071][ T5067] ? blk_rq_map_user_io.part.0+0x2c0/0x2c0 [ 58.486904][ T5067] ? bit_wait_timeout+0x160/0x160 [ 58.491950][ T5067] ? _raw_spin_unlock_irqrestore+0x4e/0x70 [ 58.497763][ T5067] sg_common_write.constprop.0+0xd61/0x1c90 [ 58.503758][ T5067] ? sg_read+0x1590/0x1590 [ 58.508224][ T5067] ? security_capable+0x92/0xc0 [ 58.513077][ T5067] sg_new_write.isra.0+0x546/0xaa0 [ 58.518251][ T5067] ? sg_common_write.constprop.0+0x1c90/0x1c90 [ 58.524497][ T5067] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 58.530437][ T5067] ? do_vfs_ioctl+0x379/0x1920 [ 58.535220][ T5067] sg_ioctl+0x1814/0x2760 [ 58.539664][ T5067] ? sg_new_write.isra.0+0xaa0/0xaa0 [ 58.544961][ T5067] ? restore_fpregs_from_fpstate+0xc1/0x1d0 [ 58.550902][ T5067] ? bpf_lsm_file_ioctl+0x9/0x10 [ 58.555878][ T5067] ? sg_new_write.isra.0+0xaa0/0xaa0 [ 58.561207][ T5067] __x64_sys_ioctl+0x18f/0x210 [ 58.565998][ T5067] do_syscall_64+0x40/0x110 [ 58.570523][ T5067] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 58.576423][ T5067] RIP: 0033:0x7f47e3990229 [ 58.580842][ T5067] 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 [ 58.600475][ T5067] RSP: 002b:00007ffd28d58aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 58.609077][ T5067] RAX: ffffffffffffffda RBX: 00007ffd28d58c78 RCX: 00007f47e3990229 [ 58.617141][ T5067] RDX: 0000000020000300 RSI: 0000000000002285 RDI: 0000000000000003 [ 58.625116][ T5067] RBP: 00007f47e3a03610 R08: 00007ffd28d58c78 R09: 00007ffd28d58c78 [ 58.633099][ T5067] R10: 002367732f766564 R11: 0000000000000246 R12: 0000000000000001 [ 58.641081][ T5067] R13: 00007ffd28d58c68 R14: 0000000000000001 R15: 0000000000000001 [ 58.649086][ T5067] [ 58.652289][ T5067] Kernel Offset: disabled [ 58.656789][ T5067] Rebooting in 86400 seconds..