Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-5.15 | possible deadlock in __qdisc_run | 44 | 388d | 437d | 0/3 | auto-obsoleted due to no activity on 2023/10/25 01:57 |
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===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected 6.1.45-syzkaller #0 Not tainted ----------------------------------------------------- syz-executor.3/3402 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: ffff800015b3c360 (fs_reclaim){+.+.}-{0:0}, at: might_alloc include/linux/sched/mm.h:271 [inline] ffff800015b3c360 (fs_reclaim){+.+.}-{0:0}, at: slab_pre_alloc_hook mm/slab.h:710 [inline] ffff800015b3c360 (fs_reclaim){+.+.}-{0:0}, at: slab_alloc_node mm/slub.c:3318 [inline] ffff800015b3c360 (fs_reclaim){+.+.}-{0:0}, at: __kmem_cache_alloc_node+0x58/0x388 mm/slub.c:3437 and this task is already holding: ffff00012a0dc108 (&sch->q.lock){+.-.}-{2:2}, at: sch_tree_lock+0x120/0x1d4 which would create a new lock dependency: (&sch->q.lock){+.-.}-{2:2} -> (fs_reclaim){+.+.}-{0:0} but this new dependency connects a SOFTIRQ-irq-safe lock: (&sch->q.lock){+.-.}-{2:2} ... which became SOFTIRQ-irq-safe at: lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5669 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:350 [inline] dequeue_skb net/sched/sch_generic.c:240 [inline] qdisc_restart net/sched/sch_generic.c:397 [inline] __qdisc_run+0x9cc/0x239c net/sched/sch_generic.c:415 qdisc_run+0xc4/0x23c include/net/pkt_sched.h:126 net_tx_action+0x748/0x94c net/core/dev.c:5093 __do_softirq+0x30c/0xea0 kernel/softirq.c:571 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:889 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:84 do_softirq+0x120/0x20c kernel/softirq.c:472 __local_bh_enable_ip+0x2c0/0x4d0 kernel/softirq.c:396 local_bh_enable+0x28/0x1d0 include/linux/bottom_half.h:33 rcu_read_unlock_bh include/linux/rcupdate.h:817 [inline] ip_finish_output2+0xd40/0x11b4 net/ipv4/ip_output.c:229 __ip_finish_output+0x1b0/0x458 ip_finish_output+0x40/0x268 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:291 [inline] ip_output+0x330/0x49c net/ipv4/ip_output.c:430 dst_output include/net/dst.h:444 [inline] ip_local_out net/ipv4/ip_output.c:126 [inline] __ip_queue_xmit+0xe8c/0x1a00 net/ipv4/ip_output.c:532 ip_queue_xmit+0x5c/0x78 net/ipv4/ip_output.c:546 __tcp_transmit_skb+0x1938/0x31fc net/ipv4/tcp_output.c:1402 tcp_transmit_skb net/ipv4/tcp_output.c:1420 [inline] tcp_write_xmit+0x131c/0x4e2c net/ipv4/tcp_output.c:2696 __tcp_push_pending_frames+0x98/0x228 net/ipv4/tcp_output.c:2880 tcp_push+0x448/0x688 net/ipv4/tcp.c:732 tcp_sendmsg_locked+0x2ca8/0x34f8 net/ipv4/tcp.c:1458 tcp_sendmsg+0x40/0x64 net/ipv4/tcp.c:1486 inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:830 sock_sendmsg_nosec net/socket.c:716 [inline] sock_sendmsg net/socket.c:736 [inline] sock_write_iter+0x2d8/0x414 net/socket.c:1113 call_write_iter include/linux/fs.h:2205 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x610/0x914 fs/read_write.c:584 ksys_write+0x15c/0x26c fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:646 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 to a SOFTIRQ-irq-unsafe lock: (fs_reclaim){+.+.}-{0:0} ... which became SOFTIRQ-irq-unsafe at: ... lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5669 __fs_reclaim_acquire mm/page_alloc.c:4683 [inline] fs_reclaim_acquire+0x90/0x12c mm/page_alloc.c:4697 might_alloc include/linux/sched/mm.h:271 [inline] slab_pre_alloc_hook mm/slab.h:710 [inline] slab_alloc_node mm/slub.c:3318 [inline] __kmem_cache_alloc_node+0x58/0x388 mm/slub.c:3437 kmalloc_node_trace+0x44/0x90 mm/slab_common.c:1058 kmalloc_node include/linux/slab.h:575 [inline] kzalloc_node include/linux/slab.h:700 [inline] alloc_worker kernel/workqueue.c:1843 [inline] init_rescuer+0xa4/0x264 kernel/workqueue.c:4272 workqueue_init+0x298/0x5b4 kernel/workqueue.c:6101 kernel_init_freeable+0x33c/0x528 init/main.c:1603 kernel_init+0x24/0x29c init/main.c:1508 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(fs_reclaim); local_irq_disable(); lock(&sch->q.lock); lock(fs_reclaim); <Interrupt> lock(&sch->q.lock); *** DEADLOCK *** 2 locks held by syz-executor.3/3402: #0: ffff800017e6fdc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017e6fdc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6104 #1: ffff00012a0dc108 (&sch->q.lock){+.-.}-{2:2}, at: sch_tree_lock+0x120/0x1d4 the dependencies between SOFTIRQ-irq-safe lock and the holding lock: -> (&sch->q.lock){+.-.}-{2:2} { HARDIRQ-ON-W at: lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5669 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x54/0x6c kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:355 [inline] dev_reset_queue+0x130/0x1fc net/sched/sch_generic.c:1291 netdev_for_each_tx_queue include/linux/netdevice.h:2453 [inline] dev_deactivate_many+0x540/0xa8c net/sched/sch_generic.c:1359 dev_deactivate+0x13c/0x1fc net/sched/sch_generic.c:1382 linkwatch_do_dev+0x29c/0x3a4 net/core/link_watch.c:166 __linkwatch_run_queue+0x3a0/0x700 net/core/link_watch.c:221 linkwatch_event+0x58/0x68 net/core/link_watch.c:264 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 IN-SOFTIRQ-W at: lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5669 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:350 [inline] dequeue_skb net/sched/sch_generic.c:240 [inline] qdisc_restart net/sched/sch_generic.c:397 [inline] __qdisc_run+0x9cc/0x239c net/sched/sch_generic.c:415 qdisc_run+0xc4/0x23c include/net/pkt_sched.h:126 net_tx_action+0x748/0x94c net/core/dev.c:5093 __do_softirq+0x30c/0xea0 kernel/softirq.c:571 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:889 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:84 do_softirq+0x120/0x20c kernel/softirq.c:472 __local_bh_enable_ip+0x2c0/0x4d0 kernel/softirq.c:396 local_bh_enable+0x28/0x1d0 include/linux/bottom_half.h:33 rcu_read_unlock_bh include/linux/rcupdate.h:817 [inline] ip_finish_output2+0xd40/0x11b4 net/ipv4/ip_output.c:229 __ip_finish_output+0x1b0/0x458 ip_finish_output+0x40/0x268 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:291 [inline] ip_output+0x330/0x49c net/ipv4/ip_output.c:430 dst_output include/net/dst.h:444 [inline] ip_local_out net/ipv4/ip_output.c:126 [inline] __ip_queue_xmit+0xe8c/0x1a00 net/ipv4/ip_output.c:532 ip_queue_xmit+0x5c/0x78 net/ipv4/ip_output.c:546 __tcp_transmit_skb+0x1938/0x31fc net/ipv4/tcp_output.c:1402 tcp_transmit_skb net/ipv4/tcp_output.c:1420 [inline] tcp_write_xmit+0x131c/0x4e2c net/ipv4/tcp_output.c:2696 __tcp_push_pending_frames+0x98/0x228 net/ipv4/tcp_output.c:2880 tcp_push+0x448/0x688 net/ipv4/tcp.c:732 tcp_sendmsg_locked+0x2ca8/0x34f8 net/ipv4/tcp.c:1458 tcp_sendmsg+0x40/0x64 net/ipv4/tcp.c:1486 inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:830 sock_sendmsg_nosec net/socket.c:716 [inline] sock_sendmsg net/socket.c:736 [inline] sock_write_iter+0x2d8/0x414 net/socket.c:1113 call_write_iter include/linux/fs.h:2205 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x610/0x914 fs/read_write.c:584 ksys_write+0x15c/0x26c fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:646 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 INITIAL USE at: lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5669 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x54/0x6c kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:355 [inline] dev_reset_queue+0x130/0x1fc net/sched/sch_generic.c:1291 netdev_for_each_tx_queue include/linux/netdevice.h:2453 [inline] dev_deactivate_many+0x540/0xa8c net/sched/sch_generic.c:1359 dev_deactivate+0x13c/0x1fc net/sched/sch_generic.c:1382 linkwatch_do_dev+0x29c/0x3a4 net/core/link_watch.c:166 __linkwatch_run_queue+0x3a0/0x700 net/core/link_watch.c:221 linkwatch_event+0x58/0x68 net/core/link_watch.c:264 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 } ... key at: [<ffff800019d20ae0>] qdisc_alloc.__key+0x0/0x20 the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: -> (fs_reclaim){+.+.}-{0:0} { HARDIRQ-ON-W at: lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5669 __fs_reclaim_acquire mm/page_alloc.c:4683 [inline] fs_reclaim_acquire+0x90/0x12c mm/page_alloc.c:4697 might_alloc include/linux/sched/mm.h:271 [inline] slab_pre_alloc_hook mm/slab.h:710 [inline] slab_alloc_node mm/slub.c:3318 [inline] __kmem_cache_alloc_node+0x58/0x388 mm/slub.c:3437 kmalloc_node_trace+0x44/0x90 mm/slab_common.c:1058 kmalloc_node include/linux/slab.h:575 [inline] kzalloc_node include/linux/slab.h:700 [inline] alloc_worker kernel/workqueue.c:1843 [inline] init_rescuer+0xa4/0x264 kernel/workqueue.c:4272 workqueue_init+0x298/0x5b4 kernel/workqueue.c:6101 kernel_init_freeable+0x33c/0x528 init/main.c:1603 kernel_init+0x24/0x29c init/main.c:1508 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 SOFTIRQ-ON-W at: lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5669 __fs_reclaim_acquire mm/page_alloc.c:4683 [inline] fs_reclaim_acquire+0x90/0x12c mm/page_alloc.c:4697 might_alloc include/linux/sched/mm.h:271 [inline] slab_pre_alloc_hook mm/slab.h:710 [inline] slab_alloc_node mm/slub.c:3318 [inline] __kmem_cache_alloc_node+0x58/0x388 mm/slub.c:3437 kmalloc_node_trace+0x44/0x90 mm/slab_common.c:1058 kmalloc_node include/linux/slab.h:575 [inline] kzalloc_node include/linux/slab.h:700 [inline] alloc_worker kernel/workqueue.c:1843 [inline] init_rescuer+0xa4/0x264 kernel/workqueue.c:4272 workqueue_init+0x298/0x5b4 kernel/workqueue.c:6101 kernel_init_freeable+0x33c/0x528 init/main.c:1603 kernel_init+0x24/0x29c init/main.c:1508 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 INITIAL USE at: lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5669 __fs_reclaim_acquire mm/page_alloc.c:4683 [inline] fs_reclaim_acquire+0x90/0x12c mm/page_alloc.c:4697 might_alloc include/linux/sched/mm.h:271 [inline] slab_pre_alloc_hook mm/slab.h:710 [inline] slab_alloc_node mm/slub.c:3318 [inline] __kmem_cache_alloc_node+0x58/0x388 mm/slub.c:3437 kmalloc_node_trace+0x44/0x90 mm/slab_common.c:1058 kmalloc_node include/linux/slab.h:575 [inline] kzalloc_node include/linux/slab.h:700 [inline] alloc_worker kernel/workqueue.c:1843 [inline] init_rescuer+0xa4/0x264 kernel/workqueue.c:4272 workqueue_init+0x298/0x5b4 kernel/workqueue.c:6101 kernel_init_freeable+0x33c/0x528 init/main.c:1603 kernel_init+0x24/0x29c init/main.c:1508 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 } ... key at: [<ffff800015b3c360>] __fs_reclaim_map+0x0/0xe0 ... acquired at: __fs_reclaim_acquire mm/page_alloc.c:4683 [inline] fs_reclaim_acquire+0x90/0x12c mm/page_alloc.c:4697 might_alloc include/linux/sched/mm.h:271 [inline] slab_pre_alloc_hook mm/slab.h:710 [inline] slab_alloc_node mm/slub.c:3318 [inline] __kmem_cache_alloc_node+0x58/0x388 mm/slub.c:3437 __do_kmalloc_node mm/slab_common.c:954 [inline] __kmalloc_node+0xcc/0x1d0 mm/slab_common.c:962 kmalloc_node include/linux/slab.h:579 [inline] kvmalloc_node+0x84/0x1e4 mm/util.c:581 kvmalloc include/linux/slab.h:706 [inline] get_dist_table+0xa0/0x354 net/sched/sch_netem.c:788 netem_change+0x754/0x1900 net/sched/sch_netem.c:985 netem_init+0x54/0xb8 net/sched/sch_netem.c:1072 qdisc_create+0x70c/0xe64 net/sched/sch_api.c:1314 tc_modify_qdisc+0x9f0/0x1840 rtnetlink_rcv_msg+0x72c/0xd94 net/core/rtnetlink.c:6107 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2525 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6125 netlink_unicast_kernel net/netlink/af_netlink.c:1328 [inline] netlink_unicast+0x660/0x8d4 net/netlink/af_netlink.c:1354 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1903 sock_sendmsg_nosec net/socket.c:716 [inline] sock_sendmsg net/socket.c:736 [inline] ____sys_sendmsg+0x558/0x844 net/socket.c:2482 ___sys_sendmsg net/socket.c:2536 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2565 __do_sys_sendmsg net/socket.c:2574 [inline] __se_sys_sendmsg net/socket.c:2572 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2572 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 stack backtrace: CPU: 0 PID: 3402 Comm: syz-executor.3 Not tainted 6.1.45-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 __lock_acquire+0x6310/0x764c kernel/locking/lockdep.c:5056 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5669 __fs_reclaim_acquire mm/page_alloc.c:4683 [inline] fs_reclaim_acquire+0x90/0x12c mm/page_alloc.c:4697 might_alloc include/linux/sched/mm.h:271 [inline] slab_pre_alloc_hook mm/slab.h:710 [inline] slab_alloc_node mm/slub.c:3318 [inline] __kmem_cache_alloc_node+0x58/0x388 mm/slub.c:3437 __do_kmalloc_node mm/slab_common.c:954 [inline] __kmalloc_node+0xcc/0x1d0 mm/slab_common.c:962 kmalloc_node include/linux/slab.h:579 [inline] kvmalloc_node+0x84/0x1e4 mm/util.c:581 kvmalloc include/linux/slab.h:706 [inline] get_dist_table+0xa0/0x354 net/sched/sch_netem.c:788 netem_change+0x754/0x1900 net/sched/sch_netem.c:985 netem_init+0x54/0xb8 net/sched/sch_netem.c:1072 qdisc_create+0x70c/0xe64 net/sched/sch_api.c:1314 tc_modify_qdisc+0x9f0/0x1840 rtnetlink_rcv_msg+0x72c/0xd94 net/core/rtnetlink.c:6107 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2525 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6125 netlink_unicast_kernel net/netlink/af_netlink.c:1328 [inline] netlink_unicast+0x660/0x8d4 net/netlink/af_netlink.c:1354 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1903 sock_sendmsg_nosec net/socket.c:716 [inline] sock_sendmsg net/socket.c:736 [inline] ____sys_sendmsg+0x558/0x844 net/socket.c:2482 ___sys_sendmsg net/socket.c:2536 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2565 __do_sys_sendmsg net/socket.c:2574 [inline] __se_sys_sendmsg net/socket.c:2572 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2572 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3402, name: syz-executor.3 preempt_count: 201, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. Preemption disabled at: [<ffff8000106c9e9c>] sch_tree_lock+0x120/0x1d4 CPU: 0 PID: 3402 Comm: syz-executor.3 Not tainted 6.1.45-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 __might_resched+0x37c/0x4d8 kernel/sched/core.c:9941 __might_sleep+0x90/0xe4 kernel/sched/core.c:9870 might_alloc include/linux/sched/mm.h:274 [inline] slab_pre_alloc_hook mm/slab.h:710 [inline] slab_alloc_node mm/slub.c:3318 [inline] __kmem_cache_alloc_node+0x74/0x388 mm/slub.c:3437 __do_kmalloc_node mm/slab_common.c:954 [inline] __kmalloc_node+0xcc/0x1d0 mm/slab_common.c:962 kmalloc_node include/linux/slab.h:579 [inline] kvmalloc_node+0x84/0x1e4 mm/util.c:581 kvmalloc include/linux/slab.h:706 [inline] get_dist_table+0xa0/0x354 net/sched/sch_netem.c:788 netem_change+0x754/0x1900 net/sched/sch_netem.c:985 netem_init+0x54/0xb8 net/sched/sch_netem.c:1072 qdisc_create+0x70c/0xe64 net/sched/sch_api.c:1314 tc_modify_qdisc+0x9f0/0x1840 rtnetlink_rcv_msg+0x72c/0xd94 net/core/rtnetlink.c:6107 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2525 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6125 netlink_unicast_kernel net/netlink/af_netlink.c:1328 [inline] netlink_unicast+0x660/0x8d4 net/netlink/af_netlink.c:1354 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1903 sock_sendmsg_nosec net/socket.c:716 [inline] sock_sendmsg net/socket.c:736 [inline] ____sys_sendmsg+0x558/0x844 net/socket.c:2482 ___sys_sendmsg net/socket.c:2536 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2565 __do_sys_sendmsg net/socket.c:2574 [inline] __se_sys_sendmsg net/socket.c:2572 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2572 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/08/16 04:13 | linux-6.1.y | 1321ab403b38 | 39990d51 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/08/16 01:20 | linux-6.1.y | 1321ab403b38 | 39990d51 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/08/15 20:11 | linux-6.1.y | 1321ab403b38 | 39990d51 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/08/15 09:47 | linux-6.1.y | 1321ab403b38 | 39990d51 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/08/15 07:25 | linux-6.1.y | 1321ab403b38 | 39990d51 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/08/15 00:43 | linux-6.1.y | 1321ab403b38 | 39990d51 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/08/13 14:42 | linux-6.1.y | 1321ab403b38 | 39990d51 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/08/13 14:29 | linux-6.1.y | 1321ab403b38 | 39990d51 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/08/11 05:23 | linux-6.1.y | 0a4a7855302d | da3c3ef8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/08/07 23:03 | linux-6.1.y | 52a953d0934b | b1b6ae3d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/08/07 03:41 | linux-6.1.y | 52a953d0934b | 4ffcc9ef | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/08/04 00:18 | linux-6.1.y | 52a953d0934b | 74621247 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/08/03 16:09 | linux-6.1.y | 52a953d0934b | 39a91c18 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/08/02 13:14 | linux-6.1.y | d2a6dc4eaf6d | df07ffe8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/08/02 02:30 | linux-6.1.y | d2a6dc4eaf6d | df07ffe8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/08/01 13:15 | linux-6.1.y | d2a6dc4eaf6d | 2a0d0f29 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/31 21:02 | linux-6.1.y | d2a6dc4eaf6d | 2a0d0f29 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/31 19:20 | linux-6.1.y | d2a6dc4eaf6d | 2a0d0f29 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/29 16:00 | linux-6.1.y | d2a6dc4eaf6d | 92476829 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/29 02:50 | linux-6.1.y | d2a6dc4eaf6d | 92476829 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/26 01:54 | linux-6.1.y | 5302e81aa209 | 6756545c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/19 15:51 | linux-6.1.y | 61fd484b2cf6 | 022df2bb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/18 20:35 | linux-6.1.y | 61fd484b2cf6 | 022df2bb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/17 20:43 | linux-6.1.y | 61fd484b2cf6 | 20f8b3c2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/17 20:19 | linux-6.1.y | 61fd484b2cf6 | 20f8b3c2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/16 13:19 | linux-6.1.y | 61fd484b2cf6 | 35d9ecc5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/16 13:05 | linux-6.1.y | 61fd484b2cf6 | 35d9ecc5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/16 13:05 | linux-6.1.y | 61fd484b2cf6 | 35d9ecc5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/15 20:40 | linux-6.1.y | 61fd484b2cf6 | 35d9ecc5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/14 16:48 | linux-6.1.y | 61fd484b2cf6 | d624500f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/14 03:40 | linux-6.1.y | 61fd484b2cf6 | 55eda22f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/12 21:48 | linux-6.1.y | 61fd484b2cf6 | 979d5fe2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/12 01:38 | linux-6.1.y | 61fd484b2cf6 | 2f19aa4f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/12 01:30 | linux-6.1.y | 61fd484b2cf6 | 2f19aa4f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/10 09:28 | linux-6.1.y | 61fd484b2cf6 | 668cb1fa | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/10 08:41 | linux-6.1.y | 61fd484b2cf6 | 668cb1fa | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/01 00:09 | linux-6.1.y | a1c449d00ff8 | af3053d2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/01 00:08 | linux-6.1.y | a1c449d00ff8 | af3053d2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/07/01 00:02 | linux-6.1.y | a1c449d00ff8 | af3053d2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/06/29 00:50 | linux-6.1.y | a1c449d00ff8 | ca69c785 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/06/29 00:14 | linux-6.1.y | a1c449d00ff8 | ca69c785 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/06/28 23:34 | linux-6.1.y | a1c449d00ff8 | ca69c785 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/06/28 20:59 | linux-6.1.y | a1c449d00ff8 | ca69c785 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/06/28 19:43 | linux-6.1.y | a1c449d00ff8 | ca69c785 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/06/28 18:45 | linux-6.1.y | a1c449d00ff8 | ca69c785 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/06/28 15:58 | linux-6.1.y | a1c449d00ff8 | 4cd5bb25 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run | ||
2023/06/28 13:09 | linux-6.1.y | a1c449d00ff8 | 4cd5bb25 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in __qdisc_run |