------------[ cut here ]------------ WARNING: CPU: 1 PID: 9809 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 1 PID: 9809 Comm: kworker/u4:15 Not tainted 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80001418bad0 x29: ffff80001418bad0 x28: ffff00011a09ae78 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 00000000fffffff5 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff00011a22c000 x18: 0000000000000299 x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0001194d1a00 x14: 00000000000000f0 x13: 00000000ffffffff x12: ffff0001194d1a00 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0001194d1a00 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 00000000fffffff5 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 62544 hardirqs last enabled at (62543): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (62543): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (62544): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (62502): [] spin_unlock_bh include/linux/spinlock.h:395 [inline] softirqs last enabled at (62502): [] batadv_nc_purge_paths+0x1d0/0x214 net/batman-adv/network-coding.c:471 softirqs last disabled at (62500): [] spin_lock_bh include/linux/spinlock.h:355 [inline] softirqs last disabled at (62500): [] batadv_nc_purge_paths+0x60/0x214 net/batman-adv/network-coding.c:442 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 9809 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 1 PID: 9809 Comm: kworker/u4:15 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80001418bad0 x29: ffff80001418bad0 x28: ffff00011847c178 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 00000000fffffff5 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff000121c03000 x18: 0000000000000143 x17: 0000000000000000 x16: ffff80000dd86118 x15: ffff0001194d1a00 x14: 00000000000000f0 x13: 00000000ffffffff x12: ffff0001194d1a00 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0001194d1a00 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 00000000fffffff5 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 802472 hardirqs last enabled at (802471): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (802471): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (802472): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (802458): [] spin_unlock_bh include/linux/spinlock.h:395 [inline] softirqs last enabled at (802458): [] ieee80211_ibss_work+0x184/0x9f0 net/mac80211/ibss.c:1701 softirqs last disabled at (802456): [] spin_lock_bh include/linux/spinlock.h:355 [inline] softirqs last disabled at (802456): [] ieee80211_ibss_work+0x68/0x9f0 net/mac80211/ibss.c:1690 ---[ end trace 0000000000000000 ]---