====================================================== WARNING: possible circular locking dependency detected 4.20.0+ #11 Not tainted ------------------------------------------------------ syz-executor4/16224 is trying to acquire lock: 000000006033f518 (&p->pi_lock){-.-.}, at: try_to_wake_up+0xb9/0x1480 kernel/sched/core.c:1965 but task is already holding lock: 00000000344da897 (&pgdat->kswapd_wait){....}, at: __wake_up_common_lock+0x19b/0x390 kernel/sched/wait.c:120 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (&pgdat->kswapd_wait){....}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 __wake_up_common_lock+0x19b/0x390 kernel/sched/wait.c:120 __wake_up+0xe/0x10 kernel/sched/wait.c:145 wakeup_kswapd+0x5ba/0x8f0 mm/vmscan.c:3982 steal_suitable_fallback+0x50d/0x7c0 mm/page_alloc.c:2217 __rmqueue_fallback mm/page_alloc.c:2502 [inline] __rmqueue mm/page_alloc.c:2528 [inline] rmqueue mm/page_alloc.c:3092 [inline] get_page_from_freelist+0x4735/0x5190 mm/page_alloc.c:3491 __alloc_pages_nodemask+0x4fd/0xdc0 mm/page_alloc.c:4529 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106 alloc_pages include/linux/gfp.h:509 [inline] skb_page_frag_refill+0x434/0x680 net/core/sock.c:2221 sk_page_frag_refill+0x55/0x1f0 net/core/sock.c:2241 tcp_sendmsg_locked+0x12fa/0x3e80 net/ipv4/tcp.c:1321 tcp_sendmsg+0x30/0x50 net/ipv4/tcp.c:1443 inet_sendmsg+0x1af/0x740 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 sock_write_iter+0x379/0x5e0 net/socket.c:900 call_write_iter include/linux/fs.h:1862 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x764/0xb40 fs/read_write.c:487 vfs_write+0x20c/0x580 fs/read_write.c:549 ksys_write+0x105/0x260 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #3 (&(&zone->lock)->rlock){..-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 rmqueue mm/page_alloc.c:3082 [inline] get_page_from_freelist+0x13d0/0x5190 mm/page_alloc.c:3491 __alloc_pages_nodemask+0x4fd/0xdc0 mm/page_alloc.c:4529 __alloc_pages include/linux/gfp.h:473 [inline] alloc_page_interleave+0x25/0x1c0 mm/mempolicy.c:1988 alloc_pages_current+0x1ba/0x210 mm/mempolicy.c:2104 alloc_pages include/linux/gfp.h:509 [inline] depot_save_stack+0x3da/0x460 lib/stackdepot.c:260 save_stack+0xa9/0xd0 mm/kasan/common.c:79 set_track mm/kasan/common.c:85 [inline] kasan_kmalloc mm/kasan/common.c:482 [inline] kasan_kmalloc+0xcf/0xe0 mm/kasan/common.c:455 kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:397 kmem_cache_alloc+0x12d/0x710 mm/slab.c:3541 kmem_cache_zalloc include/linux/slab.h:730 [inline] fill_pool lib/debugobjects.c:134 [inline] __debug_object_init+0xb1d/0x12d0 lib/debugobjects.c:379 debug_object_init lib/debugobjects.c:431 [inline] debug_object_activate+0x348/0x550 lib/debugobjects.c:512 debug_timer_activate kernel/time/timer.c:708 [inline] debug_activate kernel/time/timer.c:763 [inline] __mod_timer kernel/time/timer.c:1040 [inline] mod_timer kernel/time/timer.c:1101 [inline] add_timer+0x4e6/0x1470 kernel/time/timer.c:1137 __queue_delayed_work+0x253/0x390 kernel/workqueue.c:1533 queue_delayed_work_on+0x19a/0x200 kernel/workqueue.c:1558 queue_delayed_work include/linux/workqueue.h:527 [inline] schedule_delayed_work include/linux/workqueue.h:628 [inline] start_dirtytime_writeback+0x54/0x5a fs/fs-writeback.c:2043 do_one_initcall+0x129/0x937 init/main.c:888 do_initcall_level init/main.c:956 [inline] do_initcalls init/main.c:964 [inline] do_basic_setup init/main.c:982 [inline] kernel_init_freeable+0x4db/0x5ca init/main.c:1135 kernel_init+0x12/0x1c5 init/main.c:1055 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 -> #2 (&base->lock){-.-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 lock_timer_base+0xb7/0x2a0 kernel/time/timer.c:937 __mod_timer kernel/time/timer.c:1009 [inline] mod_timer kernel/time/timer.c:1101 [inline] add_timer+0x884/0x1470 kernel/time/timer.c:1137 __queue_delayed_work+0x253/0x390 kernel/workqueue.c:1533 queue_delayed_work_on+0x19a/0x200 kernel/workqueue.c:1558 queue_delayed_work include/linux/workqueue.h:527 [inline] schedule_delayed_work include/linux/workqueue.h:628 [inline] psi_group_change kernel/sched/psi.c:485 [inline] psi_task_change+0x3ea/0x590 kernel/sched/psi.c:534 psi_enqueue kernel/sched/stats.h:82 [inline] enqueue_task kernel/sched/core.c:727 [inline] activate_task+0x1f8/0x470 kernel/sched/core.c:751 wake_up_new_task+0x50c/0xd30 kernel/sched/core.c:2423 _do_fork+0x2a5/0x1170 kernel/fork.c:2242 kernel_thread+0x34/0x40 kernel/fork.c:2276 rest_init+0x28/0x37b init/main.c:408 arch_call_rest_init+0xe/0x1b start_kernel+0x882/0x8bd init/main.c:740 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:470 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 -> #1 (&rq->lock){-.-.}: __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 rq_lock kernel/sched/sched.h:1149 [inline] task_fork_fair+0xb5/0x7a0 kernel/sched/fair.c:10058 sched_fork+0x437/0xb90 kernel/sched/core.c:2359 copy_process+0x1ff6/0x8730 kernel/fork.c:1888 _do_fork+0x1a9/0x1170 kernel/fork.c:2217 kernel_thread+0x34/0x40 kernel/fork.c:2276 rest_init+0x28/0x37b init/main.c:408 arch_call_rest_init+0xe/0x1b start_kernel+0x882/0x8bd init/main.c:740 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:470 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 -> #0 (&p->pi_lock){-.-.}: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 try_to_wake_up+0xb9/0x1480 kernel/sched/core.c:1965 default_wake_function+0x30/0x50 kernel/sched/core.c:3710 autoremove_wake_function+0x79/0x360 kernel/sched/wait.c:375 __wake_up_common+0x1d3/0x7d0 kernel/sched/wait.c:92 __wake_up_common_lock+0x1c6/0x390 kernel/sched/wait.c:121 __wake_up+0xe/0x10 kernel/sched/wait.c:145 wakeup_kswapd+0x5ba/0x8f0 mm/vmscan.c:3982 steal_suitable_fallback+0x50d/0x7c0 mm/page_alloc.c:2217 __rmqueue_fallback mm/page_alloc.c:2502 [inline] __rmqueue mm/page_alloc.c:2528 [inline] rmqueue mm/page_alloc.c:3092 [inline] get_page_from_freelist+0x4735/0x5190 mm/page_alloc.c:3491 __alloc_pages_nodemask+0x4fd/0xdc0 mm/page_alloc.c:4529 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106 alloc_pages include/linux/gfp.h:509 [inline] skb_page_frag_refill+0x434/0x680 net/core/sock.c:2221 sk_page_frag_refill+0x55/0x1f0 net/core/sock.c:2241 tcp_sendmsg_locked+0x12fa/0x3e80 net/ipv4/tcp.c:1321 tcp_sendmsg+0x30/0x50 net/ipv4/tcp.c:1443 inet_sendmsg+0x1af/0x740 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 sock_write_iter+0x379/0x5e0 net/socket.c:900 call_write_iter include/linux/fs.h:1862 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x764/0xb40 fs/read_write.c:487 vfs_write+0x20c/0x580 fs/read_write.c:549 ksys_write+0x105/0x260 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Chain exists of: &p->pi_lock --> &(&zone->lock)->rlock --> &pgdat->kswapd_wait Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&pgdat->kswapd_wait); lock(&(&zone->lock)->rlock); lock(&pgdat->kswapd_wait); lock(&p->pi_lock); *** DEADLOCK *** 3 locks held by syz-executor4/16224: #0: 0000000006d6e255 (sk_lock-AF_INET){+.+.}, at: lock_sock include/net/sock.h:1506 [inline] #0: 0000000006d6e255 (sk_lock-AF_INET){+.+.}, at: sk_stream_wait_memory+0x961/0x12b0 net/core/stream.c:149 #1: 00000000b30a3b4c (&(&zone->lock)->rlock){..-.}, at: rmqueue mm/page_alloc.c:3082 [inline] #1: 00000000b30a3b4c (&(&zone->lock)->rlock){..-.}, at: get_page_from_freelist+0x13d0/0x5190 mm/page_alloc.c:3491 #2: 00000000344da897 (&pgdat->kswapd_wait){....}, at: __wake_up_common_lock+0x19b/0x390 kernel/sched/wait.c:120 stack backtrace: CPU: 1 PID: 16224 Comm: syz-executor4 Not tainted 4.20.0+ #11 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+0x1db/0x2d0 lib/dump_stack.c:113 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1224 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2350 [inline] __lock_acquire+0x3014/0x4a30 kernel/locking/lockdep.c:3338 lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 try_to_wake_up+0xb9/0x1480 kernel/sched/core.c:1965 default_wake_function+0x30/0x50 kernel/sched/core.c:3710 autoremove_wake_function+0x79/0x360 kernel/sched/wait.c:375 __wake_up_common+0x1d3/0x7d0 kernel/sched/wait.c:92 __wake_up_common_lock+0x1c6/0x390 kernel/sched/wait.c:121 __wake_up+0xe/0x10 kernel/sched/wait.c:145 wakeup_kswapd+0x5ba/0x8f0 mm/vmscan.c:3982 steal_suitable_fallback+0x50d/0x7c0 mm/page_alloc.c:2217 __rmqueue_fallback mm/page_alloc.c:2502 [inline] __rmqueue mm/page_alloc.c:2528 [inline] rmqueue mm/page_alloc.c:3092 [inline] get_page_from_freelist+0x4735/0x5190 mm/page_alloc.c:3491 __alloc_pages_nodemask+0x4fd/0xdc0 mm/page_alloc.c:4529 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106 alloc_pages include/linux/gfp.h:509 [inline] skb_page_frag_refill+0x434/0x680 net/core/sock.c:2221 sk_page_frag_refill+0x55/0x1f0 net/core/sock.c:2241 tcp_sendmsg_locked+0x12fa/0x3e80 net/ipv4/tcp.c:1321 tcp_sendmsg+0x30/0x50 net/ipv4/tcp.c:1443 inet_sendmsg+0x1af/0x740 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 sock_write_iter+0x379/0x5e0 net/socket.c:900 call_write_iter include/linux/fs.h:1862 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x764/0xb40 fs/read_write.c:487 vfs_write+0x20c/0x580 fs/read_write.c:549 ksys_write+0x105/0x260 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457ec9 Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fb0010d8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 RDX: 0000000120001644 RSI: 00000000200016c0 RDI: 0000000000000004 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb0010d96d4 R13: 00000000004c70db R14: 00000000004dc7f0 R15: 00000000ffffffff kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' netlink: 'syz-executor0': attribute type 25 has an invalid length. kobject: 'loop5' (00000000ee830b75): kobject_uevent_env kobject: 'loop5' (00000000ee830b75): fill_kobj_path: path = '/devices/virtual/block/loop5' (unnamed net_device) (uninitialized): option ad_user_port_key: mode dependency failed, not supported in mode balance-rr(0) kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000ee830b75): kobject_uevent_env kobject: 'loop5' (00000000ee830b75): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000008dbb5142): kobject_uevent_env kobject: 'loop3' (000000008dbb5142): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000079d68e22): kobject_uevent_env kobject: 'loop1' (0000000079d68e22): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000f1277838): kobject_uevent_env netlink: 'syz-executor0': attribute type 25 has an invalid length. kobject: 'loop2' (00000000f1277838): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000b11a6f10): kobject_uevent_env kobject: 'loop4' (00000000b11a6f10): fill_kobj_path: path = '/devices/virtual/block/loop4' (unnamed net_device) (uninitialized): option ad_user_port_key: mode dependency failed, not supported in mode balance-rr(0) kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' net_ratelimit: 20 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (00000000ee830b75): kobject_uevent_env kobject: 'loop5' (00000000ee830b75): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b11a6f10): kobject_uevent_env kobject: 'loop4' (00000000b11a6f10): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000f1277838): kobject_uevent_env kobject: 'loop2' (00000000f1277838): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000ee830b75): kobject_uevent_env kobject: 'loop5' (00000000ee830b75): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000b11a6f10): kobject_uevent_env kobject: 'loop4' (00000000b11a6f10): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000ee830b75): kobject_uevent_env kobject: 'loop5' (00000000ee830b75): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000b11a6f10): kobject_uevent_env kobject: 'loop4' (00000000b11a6f10): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000008dbb5142): kobject_uevent_env kobject: 'loop3' (000000008dbb5142): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000079d68e22): kobject_uevent_env kobject: 'loop1' (0000000079d68e22): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000ee830b75): kobject_uevent_env kobject: 'loop5' (00000000ee830b75): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b11a6f10): kobject_uevent_env kobject: 'loop4' (00000000b11a6f10): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000f1277838): kobject_uevent_env kobject: 'loop2' (00000000f1277838): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000f1277838): kobject_uevent_env kobject: 'loop2' (00000000f1277838): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000b11a6f10): kobject_uevent_env kobject: 'loop4' (00000000b11a6f10): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000079d68e22): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop1' (0000000079d68e22): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000008dbb5142): kobject_uevent_env kobject: 'loop3' (000000008dbb5142): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000f1277838): kobject_uevent_env kobject: 'loop2' (00000000f1277838): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000b11a6f10): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop4' (00000000b11a6f10): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000ee830b75): kobject_uevent_env kobject: 'loop5' (00000000ee830b75): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000f1277838): kobject_uevent_env kobject: 'loop2' (00000000f1277838): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000f1277838): kobject_uevent_env kobject: 'loop2' (00000000f1277838): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (00000000b11a6f10): kobject_uevent_env kobject: 'loop4' (00000000b11a6f10): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000079d68e22): kobject_uevent_env kobject: 'loop1' (0000000079d68e22): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000008dbb5142): kobject_uevent_env kobject: 'loop3' (000000008dbb5142): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'loop2' (00000000f1277838): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000f1277838): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000ee830b75): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (00000000ee830b75): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000f1277838): kobject_uevent_env kobject: 'loop2' (00000000f1277838): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000ee830b75): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'loop5' (00000000ee830b75): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000f1277838): kobject_uevent_env kobject: 'loop2' (00000000f1277838): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000ee830b75): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'loop5' (00000000ee830b75): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (00000000b11a6f10): kobject_uevent_env kobject: 'loop4' (00000000b11a6f10): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'loop1' (0000000079d68e22): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (0000000079d68e22): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'loop3' (000000008dbb5142): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000008dbb5142): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'loop5' (00000000ee830b75): kobject_uevent_env kobject: 'loop5' (00000000ee830b75): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (0000000079d68e22): kobject_uevent_env kobject: 'loop1' (0000000079d68e22): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000008dbb5142): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'loop3' (000000008dbb5142): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000b11a6f10): kobject_uevent_env kobject: 'loop4' (00000000b11a6f10): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000f1277838): kobject_uevent_env kobject: 'loop2' (00000000f1277838): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'loop1' (0000000079d68e22): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (0000000079d68e22): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000ee830b75): kobject_uevent_env kobject: 'loop5' (00000000ee830b75): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000008dbb5142): kobject_uevent_env kobject: 'loop3' (000000008dbb5142): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b11a6f10): kobject_uevent_env kobject: 'loop4' (00000000b11a6f10): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'loop2' (00000000f1277838): kobject_uevent_env kobject: 'loop2' (00000000f1277838): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (00000000ee830b75): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'loop5' (00000000ee830b75): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' net_ratelimit: 16 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop1' (0000000079d68e22): kobject_uevent_env kobject: 'loop1' (0000000079d68e22): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000008dbb5142): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000008dbb5142): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000ee830b75): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (00000000ee830b75): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b11a6f10): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (00000000b11a6f10): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (00000000ee830b75): kobject_uevent_env kobject: 'loop5' (00000000ee830b75): fill_kobj_path: path = '/devices/virtual/block/loop5' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 cgroup: fork rejected by pids controller in /syz4 kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000f1277838): kobject_uevent_env kobject: 'loop2' (00000000f1277838): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: '9p-1' (000000008a78d682): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (0000000079d68e22): kobject_uevent_env kobject: 'loop1' (0000000079d68e22): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: '9p-1' (000000008a78d682): kobject_uevent_env kobject: '9p-1' (000000008a78d682): fill_kobj_path: path = '/devices/virtual/bdi/9p-1' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-1' (000000008a78d682): kobject_uevent_env kobject: '9p-1' (000000008a78d682): fill_kobj_path: path = '/devices/virtual/bdi/9p-1' kobject: 'loop4' (00000000b11a6f10): kobject_uevent_env kobject: '9p-1' (000000008a78d682): kobject_cleanup, parent (null) kobject: 'loop4' (00000000b11a6f10): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: '9p-1' (000000008a78d682): calling ktype release kobject: '9p-1': free name kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'loop3' (000000008dbb5142): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000008dbb5142): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: '9p-2' (0000000054b59b04): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-2' (0000000054b59b04): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: '9p-2' (0000000054b59b04): fill_kobj_path: path = '/devices/virtual/bdi/9p-2' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000f1277838): kobject_uevent_env kobject: 'loop2' (00000000f1277838): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '9p-2' (0000000054b59b04): kobject_uevent_env kobject: '9p-2' (0000000054b59b04): fill_kobj_path: path = '/devices/virtual/bdi/9p-2' kobject: '9p-2' (0000000054b59b04): kobject_cleanup, parent (null) kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: '9p-2' (0000000054b59b04): calling ktype release kobject: '9p-2': free name kobject: 'loop1' (0000000079d68e22): kobject_uevent_env kobject: 'loop1' (0000000079d68e22): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'loop1' (0000000079d68e22): kobject_uevent_env kobject: 'loop1' (0000000079d68e22): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000008dbb5142): kobject_uevent_env kobject: 'loop3' (000000008dbb5142): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'loop5' (00000000ee830b75): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: 'ip6_vti1' (0000000065f8ec1e): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop5' (00000000ee830b75): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: '9p-3' (00000000b84ab2fb): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: '9p-3' (00000000b84ab2fb): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'ip6_vti1' (0000000065f8ec1e): kobject_uevent_env kobject: '9p-3' (00000000b84ab2fb): fill_kobj_path: path = '/devices/virtual/bdi/9p-3' kobject: 'ip6_vti1' (0000000065f8ec1e): fill_kobj_path: path = '/devices/virtual/net/ip6_vti1' kobject: 'queues' (00000000988c698d): kobject_add_internal: parent: 'ip6_vti1', set: '' kobject: '9p-3' (00000000b84ab2fb): kobject_uevent_env kobject: 'queues' (00000000988c698d): kobject_uevent_env kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'queues' (00000000988c698d): kobject_uevent_env: filter function caused the event to drop! kernel msg: ebtables bug: please report to author: EBT_ENTRY_OR_ENTRIES shouldn't be set in distinguisher kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: '9p-3' (00000000b84ab2fb): fill_kobj_path: path = '/devices/virtual/bdi/9p-3' kobject: 'rx-0' (000000005ca21bc5): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (00000000ea9f8b61): kobject_uevent_env kobject: 'loop0' (00000000ea9f8b61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'rx-0' (000000005ca21bc5): kobject_uevent_env kobject: '9p-3' (00000000b84ab2fb): kobject_cleanup, parent (null) kobject: 'kvm' (0000000076c0431d): kobject_uevent_env kobject: '9p-3' (00000000b84ab2fb): calling ktype release kobject: '9p-3': free name kobject: 'rx-0' (000000005ca21bc5): fill_kobj_path: path = '/devices/virtual/net/ip6_vti1/queues/rx-0' kobject: 'kvm' (0000000076c0431d): fill_kobj_path: path = '/devices/virtual/misc/kvm'