net_ratelimit: 76 callbacks suppressed ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table BUG: sleeping function called from invalid context at mm/slab.h:419 in_atomic(): 1, irqs_disabled(): 1, pid: 13582, name: syz-executor.4 3 locks held by syz-executor.4/13582: #0: (&ep->mtx){+.+.}, at: [] SYSC_epoll_ctl fs/eventpoll.c:2080 [inline] #0: (&ep->mtx){+.+.}, at: [] SyS_epoll_ctl+0x516/0x2780 fs/eventpoll.c:2002 #1: (&dev->dev_mutex){+.+.}, at: [] v4l2_m2m_fop_poll+0x91/0x110 drivers/media/v4l2-core/v4l2-mem2mem.c:802 ip6_tables: ip6tables: counters copy to user failed while replacing table #2: (&(&q->done_lock)->rlock){....}, at: [] v4l2_m2m_poll+0x116/0x670 drivers/media/v4l2-core/v4l2-mem2mem.c:536 irq event stamp: 2228 hardirqs last enabled at (2227): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (2227): [] _raw_spin_unlock_irqrestore+0x79/0xe0 kernel/locking/spinlock.c:192 hardirqs last disabled at (2228): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (2228): [] _raw_spin_lock_irqsave+0x66/0xc0 kernel/locking/spinlock.c:160 ip6_tables: ip6tables: counters copy to user failed while replacing table softirqs last enabled at (2178): [] inet_autobind+0x11d/0x180 net/ipv4/af_inet.c:187 softirqs last disabled at (2176): [] spin_lock_bh include/linux/spinlock.h:322 [inline] softirqs last disabled at (2176): [] release_sock+0x1b/0x1b0 net/core/sock.c:2823 Preemption disabled at: [< (null)>] (null) CPU: 0 PID: 13582 Comm: syz-executor.4 Not tainted 4.14.259-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6041 slab_pre_alloc_hook mm/slab.h:419 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x284/0x3c0 mm/slab.c:3550 ep_ptable_queue_proc+0x9e/0x370 fs/eventpoll.c:1255 poll_wait include/linux/poll.h:50 [inline] v4l2_m2m_poll+0x583/0x670 drivers/media/v4l2-core/v4l2-mem2mem.c:538 v4l2_m2m_fop_poll+0xa4/0x110 drivers/media/v4l2-core/v4l2-mem2mem.c:804 v4l2_poll+0x133/0x1d0 drivers/media/v4l2-core/v4l2-dev.c:342 ep_item_poll fs/eventpoll.c:885 [inline] ep_insert fs/eventpoll.c:1490 [inline] SYSC_epoll_ctl fs/eventpoll.c:2117 [inline] SyS_epoll_ctl+0x14af/0x2780 fs/eventpoll.c:2002 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f830e1d8e99 RSP: 002b:00007f830cb4e168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 RAX: ffffffffffffffda RBX: 00007f830e2ebf60 RCX: 00007f830e1d8e99 RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000005 RBP: 00007f830e232ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200000c0 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdcf5842bf R14: 00007f830cb4e300 R15: 0000000000022000 ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table x_tables: ip6_tables: eui64 match: used from hooks INPUT/FORWARD/OUTPUT, but only valid from PREROUTING/INPUT/FORWARD print_req_error: I/O error, dev loop3, sector 0 x_tables: ip6_tables: eui64 match: used from hooks INPUT/FORWARD/OUTPUT, but only valid from PREROUTING/INPUT/FORWARD x_tables: ip6_tables: eui64 match: used from hooks INPUT/FORWARD/OUTPUT, but only valid from PREROUTING/INPUT/FORWARD net_ratelimit: 68 callbacks suppressed ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table print_req_error: I/O error, dev loop1, sector 0 ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table print_req_error: I/O error, dev loop1, sector 0 ntfs: (device loop1): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. ntfs: (device loop1): parse_options(): Unrecognized mount option obj_type. ntfs: (device loop1): parse_options(): Unrecognized mount option permit_directio. ntfs: (device loop1): parse_options(): Unrecognized mount option fscontext. ntfs: (device loop1): parse_options(): Unrecognized mount option dont_measure. ntfs: (device loop1): parse_options(): Unrecognized mount option audit. ntfs: (device loop1): parse_options(): Unrecognized mount option . ntfs: (device loop1): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. ntfs: (device loop1): parse_options(): Unrecognized mount option obj_type. ntfs: (device loop1): parse_options(): Unrecognized mount option permit_directio. Bluetooth: hci2 command 0x0c76 tx timeout