WARNING: can't dereference registers at (null) for ip ret_from_intr+0xb/0x1e gfs2: not a GFS2 filesystem FAT-fs (loop3): Unrecognized mount option "context=system_u" or missing value mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium erofs: read_super, device -> /dev/loop4 erofs: options -> erofs: root inode @ nid 36 IPVS: ftp: loaded support on port[0] = 21 erofs: mounted on /dev/loop4 with opts: . ntfs: (device loop5): parse_options(): NLS character set none not found. Using previous one maciceland. 9pnet: Insufficient options for proto=fd ntfs: (device loop5): parse_options(): Unrecognized mount option . erofs: unmounted for /dev/loop4 EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2020/09/19 18:44 (1000) MINIX-fs: deleted inode referenced: 1 audit: type=1326 audit(1638211280.462:2024): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=22860 comm="syz-executor.5" exe="/root/syz-executor.5" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7fd20d155ae9 code=0x0 EXT4-fs (loop5): Unrecognized mount option "# C^GiE|@3r~_.~w" or missing value UDF-fs: warning (device loop3): udf_fill_super: No fileset found ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue CPU: 1 PID: 23288 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc_trace+0x284/0x380 mm/slab.c:3623 kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] refill_pi_state_cache.part.0+0x3e/0x210 kernel/futex.c:816 refill_pi_state_cache kernel/futex.c:2186 [inline] futex_requeue+0x13cc/0x1990 kernel/futex.c:2043 do_futex+0x29b/0x1880 kernel/futex.c:3912 __do_sys_futex kernel/futex.c:3950 [inline] __se_sys_futex+0x28f/0x3b0 kernel/futex.c:3918 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f08119fdae9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f080ef73188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f0811b10f60 RCX: 00007f08119fdae9 RDX: 0000000000000001 RSI: 000000000000008c RDI: 0000000020000140 RBP: 00007f080ef731d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd06b1434f R14: 00007f080ef73300 R15: 0000000000022000