[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.125' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 75.297991][ T8444] FAULT_INJECTION: forcing a failure. [ 75.297991][ T8444] name failslab, interval 1, probability 0, space 0, times 1 [ 75.312004][ T8444] CPU: 0 PID: 8444 Comm: syz-executor607 Not tainted 5.13.0-rc6-syzkaller #0 [ 75.320778][ T8444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.331282][ T8444] Call Trace: [ 75.334571][ T8444] dump_stack+0x141/0x1d7 [ 75.339613][ T8444] should_fail.cold+0x5/0xa [ 75.345394][ T8444] ? skcipher_walk_next+0x6e2/0x1680 [ 75.351969][ T8444] should_failslab+0x5/0x10 [ 75.356725][ T8444] __kmalloc+0x72/0x330 [ 75.361848][ T8444] skcipher_walk_next+0x6e2/0x1680 [ 75.367118][ T8444] ? kfree+0xe5/0x7f0 [ 75.371389][ T8444] skcipher_walk_first+0xf8/0x3c0 [ 75.376664][ T8444] skcipher_walk_virt+0x523/0x760 [ 75.382140][ T8444] xts_crypt+0x137/0x7f0 [ 75.386400][ T8444] ? aesni_encrypt+0x80/0x80 [ 75.391140][ T8444] ? lockdep_hardirqs_on+0x79/0x100 [ 75.396508][ T8444] ? slab_free_freelist_hook+0xdf/0x240 [ 75.402621][ T8444] ? kfree+0xe5/0x7f0 [ 75.407225][ T8444] ? sock_kfree_s+0x24/0x60 [ 75.411947][ T8444] ? sock_kfree_s+0x35/0x60 [ 75.416495][ T8444] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 75.422954][ T8444] ? af_alg_pull_tsgl+0x56e/0xae0 [ 75.428526][ T8444] crypto_skcipher_decrypt+0xaa/0xf0 [ 75.434077][ T8444] crypto_skcipher_decrypt+0xaa/0xf0 [ 75.439619][ T8444] skcipher_recvmsg+0xb07/0xe20 [ 75.444649][ T8444] ? skcipher_bind+0x30/0x30 [ 75.449439][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.455828][ T8444] ? security_socket_recvmsg+0x8f/0xc0 [ 75.462226][ T8444] ? skcipher_bind+0x30/0x30 [ 75.467007][ T8444] ____sys_recvmsg+0x2c4/0x600 [ 75.472086][ T8444] ? move_addr_to_kernel.part.0+0x110/0x110 [ 75.477991][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.484342][ T8444] ? __import_iovec+0x293/0x500 [ 75.489200][ T8444] ? import_iovec+0x10c/0x150 [ 75.493886][ T8444] ___sys_recvmsg+0x127/0x200 [ 75.498758][ T8444] ? __copy_msghdr_from_user+0x4b0/0x4b0 [ 75.504585][ T8444] ? mark_lock+0xef/0x17b0 [ 75.511528][ T8444] ? lock_chain_count+0x20/0x20 [ 75.517071][ T8444] ? _parse_integer+0x132/0x180 [ 75.522100][ T8444] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 75.528106][ T8444] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 75.534442][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.540684][ T8444] ? __fget_light+0x215/0x280 [ 75.545439][ T8444] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 75.551770][ T8444] do_recvmmsg+0x24d/0x6d0 [ 75.556308][ T8444] ? ___sys_recvmsg+0x200/0x200 [ 75.561262][ T8444] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 75.567259][ T8444] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 75.573349][ T8444] ? __context_tracking_exit+0xb8/0xe0 [ 75.578900][ T8444] ? lock_downgrade+0x6e0/0x6e0 [ 75.583757][ T8444] ? lock_downgrade+0x6e0/0x6e0 [ 75.588951][ T8444] __x64_sys_recvmmsg+0x20b/0x260 [ 75.593982][ T8444] ? __do_sys_socketcall+0x590/0x590 [ 75.599304][ T8444] ? syscall_enter_from_user_mode+0x27/0x70 [ 75.605190][ T8444] do_syscall_64+0x3a/0xb0 [ 75.610469][ T8444] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 75.616348][ T8444] RIP: 0033:0x43fbe9 [ 75.620231][ T8444] Code: 28 c3 e8 1a 15 00 00 66 2e 0f 1f 84 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 75.640365][ T8444] RSP: 002b:00007ffd23488328 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 75.648854][ T8444] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000043fbe9 [ 75.656906][ T8444] RDX: 0000000000000001 RSI: 0000000020001f40 RDI: 0000000000000004 [ 75.665054][ T8444] RBP: 00007ffd23488340 R08: 0000000000000000 R09: 00007ffd234884c8 [ 75.673151][ T8444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 75.681216][ T8444] R13: 0000000000000000 R14: 00000000004ae018 R15: 0000000000400488 [ 75.692134][ T8444] syz-executor607[8444]: segfault at 4b0e48 ip 0000000000408e15 sp 00007ffd234882e0 error 7 in syz-executor607098311[401000+82000] [ 75.706364][ T8444] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 2c 80 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 75.726516][ T8444] BUG: scheduling while atomic: syz-executor607/8444/0x00000002 [ 75.734225][ T8444] no locks held by syz-executor607/8444. [ 75.740182][ T8444] Modules linked in: [ 75.744168][ T8444] Preemption disabled at: [ 75.744175][ T8444] [] kernel_fpu_begin_mask+0x64/0x260 [ 75.755491][ T8444] Kernel panic - not syncing: scheduling while atomic [ 75.762311][ T8444] CPU: 1 PID: 8444 Comm: syz-executor607 Not tainted 5.13.0-rc6-syzkaller #0 [ 75.771148][ T8444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.781401][ T8444] Call Trace: [ 75.784670][ T8444] dump_stack+0x141/0x1d7 [ 75.788994][ T8444] panic+0x306/0x73d [ 75.792877][ T8444] ? __warn_printk+0xf3/0xf3 [ 75.797586][ T8444] ? module_get_kallsym.cold+0x22/0x22 [ 75.803053][ T8444] ? vprintk+0x95/0x260 [ 75.807237][ T8444] ? kernel_fpu_begin_mask+0x64/0x260 [ 75.812611][ T8444] __schedule_bug.cold+0x10c/0x143 [ 75.817935][ T8444] __schedule+0x19df/0x23e0 [ 75.822467][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.828699][ T8444] ? io_schedule_timeout+0x140/0x140 [ 75.834439][ T8444] schedule+0xcf/0x270 [ 75.838618][ T8444] exit_to_user_mode_prepare+0x14d/0x290 [ 75.844397][ T8444] irqentry_exit_to_user_mode+0x5/0x40 [ 75.850148][ T8444] exc_page_fault+0xc6/0x180 [ 75.854735][ T8444] ? asm_exc_page_fault+0x8/0x30 [ 75.859686][ T8444] asm_exc_page_fault+0x1e/0x30 [ 75.864612][ T8444] RIP: 0033:0x408e15 [ 75.868562][ T8444] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 2c 80 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 75.888181][ T8444] RSP: 002b:00007ffd234882e0 EFLAGS: 00010246 [ 75.894287][ T8444] RAX: 0000000000000000 RBX: 00000000004ae108 RCX: 0000000000000001 [ 75.902250][ T8444] RDX: 0000000000000001 RSI: 00000000004ae108 RDI: 0000000000000001 [ 75.910406][ T8444] RBP: 0000000000000001 R08: 0000000000000000 R09: 00007ffd234884c8 [ 75.918484][ T8444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.926587][ T8444] R13: 0000000000000001 R14: 00000000004ae018 R15: 0000000000400488 [ 75.936892][ T8444] Kernel Offset: disabled [ 75.941360][ T8444] Rebooting in 86400 seconds..