syzbot


WARNING in io_cqring_event_overflow

Status: upstream: reported C repro on 2023/01/12 10:20
Labels: io-uring (incorrect?)
Reported-by: syzbot+6805087452d72929404e@syzkaller.appspotmail.com
Fix commit: 544d163d659d io_uring: lock overflowing for IOPOLL
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-arm64 ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-fs ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu2-riscv64]
First crash: 141d, last: 134d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] WARNING in io_cqring_event_overflow 4 (7) 2023/01/13 03:10
Last patch testing requests (2)
Created Duration User Patch Repo Result
2023/01/12 18:13 19m asml.silence@gmail.com https://github.com/isilence/linux.git overflow-lock OK log
2023/01/12 10:39 10m asml.silence@gmail.com git://git.kernel.dk/linux.git syztest report log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734
Modules linked in:
CPU: 0 PID: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0 x28: ffff0000c3b3e578 x27: ffff80000d49b000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000c4d2c000 x18: 00000000000000c0
x17: ffff80000df48158 x16: ffff80000dd86118 x15: ffff0000c0cf8000
x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000
x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec
x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 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: 620806
hardirqs last  enabled at (620805): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (620805): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (620806): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (620784): [<ffff80000b2f555c>] neigh_managed_work+0xf8/0x118 net/core/neighbour.c:1626
softirqs last disabled at (620780): [<ffff80000b2f5498>] neigh_managed_work+0x34/0x118 net/core/neighbour.c:1621
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 28 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: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0
 x28: ffff0000c4f2f678
 x27: ffff80000d49b000

x26: 0000000000000000
 x25: 0000000000000000
 x24: 0000000000000000

x23: 0000000000000000
 x22: 0000000000000000
 x21: 0000000000000000

x20: 0000000000000000
 x19: ffff0000c4d2c000
 x18: 00000000000003de

x17: ffff80000c15d8bc
 x16: ffff80000dd86118
 x15: ffff0000c0cf8000

x14: 00000000000000b8
 x13: 00000000ffffffff
 x12: ffff0000c0cf8000

x11: ff80800009594dec
 x10: 0000000000000000
 x9 : ffff800009594dec

x8 : ffff0000c0cf8000
 x7 : ffff80000c109860
 x6 : 0000000000000000

x5 : 0000000000000000
 x4 : 0000000000000000
 x3 : 0000000000000000

x2 : 0000000000000000
 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: 622216
hardirqs last  enabled at (622215): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (622215): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (622216): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (621028): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (621028): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (621026): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (621026): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 28 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: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0 x28: ffff0000c4f2fb78 x27: ffff80000d49b000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000c4d2f000 x18: 000000000000031e
x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000
x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000
x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec
x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 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: 623616
hardirqs last  enabled at (623615): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (623615): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (623616): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (622446): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (622446): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (622444): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (622444): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 28 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: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0
 x28: ffff0000c4404378
 x27: ffff80000d49b000

x26: 0000000000000000
 x25: 0000000000000000
 x24: 0000000000000000

x23: 0000000000000000
 x22: 0000000000000000
 x21: 0000000000000000

x20: 0000000000000000
 x19: ffff0000c93ee000
 x18: 00000000000002ce

x17: ffff80000c15d8bc
 x16: ffff80000dd86118
 x15: ffff0000c0cf8000

x14: 00000000000000b8
 x13: 00000000ffffffff
 x12: ffff0000c0cf8000

x11: ff80800009594dec
 x10: 0000000000000000
 x9 : ffff800009594dec

x8 : ffff0000c0cf8000
 x7 : ffff80000c109860
 x6 : 0000000000000000

x5 : 0000000000000000
 x4 : 0000000000000000
 x3 : 0000000000000000

x2 : 0000000000000000
 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: 624992
hardirqs last  enabled at (624991): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (624991): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (624992): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (623820): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (623820): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (623818): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (623818): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734
Modules linked in:
CPU: 0 PID: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0
 x28: ffff0000c995f778
 x27: ffff80000d49b000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000c93ef000 x18: 00000000000003d1
x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000
x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000
x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec
x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 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: 626290
hardirqs last  enabled at (626289): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (626289): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (626290): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (625116): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (625116): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (625114): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (625114): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734
Modules linked in:
CPU: 0 PID: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0
 x28: ffff0000c995f878
 x27: ffff80000d49b000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000c93ef000 x18: 000000000000011c
x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000
x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000
x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec
x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 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: 627616
hardirqs last  enabled at (627615): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (627615): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (627616): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (626440): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (626440): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (626438): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (626438): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734
Modules linked in:
CPU: 0 PID: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0 x28: ffff0000c4f2f278 x27: ffff80000d49b000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000c4d2f000 x18: 00000000000000c7
x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000
x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000
x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec
x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 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: 629014
hardirqs last  enabled at (629013): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (629013): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (629014): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (627834): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (627834): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (627832): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (627832): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734
Modules linked in:
CPU: 0 PID: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0 x28: ffff0000c995fb78 x27: ffff80000d49b000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000c93ee000 x18: 00000000000003c2
x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000
x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000
x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec
x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 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: 630328
hardirqs last  enabled at (630327): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (630327): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (630328): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (629918): [<ffff8000080102e4>] _stext+0x2e4/0x37c
softirqs last disabled at (629893): [<ffff800008017c90>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734
Modules linked in:

CPU: 0 PID: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0
 x28: ffff0000c0d47d78
 x27: ffff80000d49b000

x26: 0000000000000000
 x25: 0000000000000000
 x24: 0000000000000000

x23: 0000000000000000
 x22: 0000000000000000
 x21: 0000000000000000

x20: 0000000000000000
 x19: ffff0000c93ee000
 x18: 00000000000003fd

x17: ffff80000c15d8bc
 x16: ffff80000dd86118
 x15: ffff0000c0cf8000

x14: 00000000000000b8
 x13: 00000000ffffffff
 x12: ffff0000c0cf8000

x11: ff80800009594dec
 x10: 0000000000000000
 x9 : ffff800009594dec

x8 : ffff0000c0cf8000
 x7 : ffff80000c109860
 x6 : 0000000000000000

x5 : 0000000000000000
 x4 : 0000000000000000
 x3 : 0000000000000000

x2 : 0000000000000000
 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: 631624
hardirqs last  enabled at (631623): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (631623): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (631624): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (630450): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (630450): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (630448): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (630448): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734
Modules linked in:

CPU: 0 PID: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0
 x28: ffff0000c4f2f978
 x27: ffff80000d49b000

x26: 0000000000000000
 x25: 0000000000000000
 x24: 0000000000000000

x23: 0000000000000000
 x22: 0000000000000000
 x21: 0000000000000000

x20: 0000000000000000
 x19: ffff0000c93ee000
 x18: 0000000000000106

x17: ffff80000c15d8bc
 x16: ffff80000dd86118
 x15: ffff0000c0cf8000

x14: 00000000000000b8
 x13: 00000000ffffffff
 x12: ffff0000c0cf8000

x11: ff80800009594dec
 x10: 0000000000000000
 x9 : ffff800009594dec

x8 : ffff0000c0cf8000
 x7 : ffff80000c109860
 x6 : 0000000000000000

x5 : 0000000000000000
 x4 : 0000000000000000
 x3 : 0000000000000000

x2 : 0000000000000000
 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: 633024
hardirqs last  enabled at (633023): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (633023): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (633024): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (631846): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (631846): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (631844): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (631844): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734
Modules linked in:

CPU: 0 PID: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0
 x28: ffff0000c4404978
 x27: ffff80000d49b000

x26: 0000000000000000
 x25: 0000000000000000
 x24: 0000000000000000

x23: 0000000000000000
 x22: 0000000000000000
 x21: 0000000000000000

x20: 0000000000000000
 x19: ffff0000c93ec000
 x18: 0000000000000061

x17: ffff80000c15d8bc
 x16: ffff80000dd86118
 x15: ffff0000c0cf8000

x14: 00000000000000b8
 x13: 00000000ffffffff
 x12: ffff0000c0cf8000

x11: ff80800009594dec
 x10: 0000000000000000
 x9 : ffff800009594dec

x8 : ffff0000c0cf8000
 x7 : ffff80000c109860
 x6 : 0000000000000000

x5 : 0000000000000000
 x4 : 0000000000000000
 x3 : 0000000000000000

x2 : 0000000000000000
 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: 634358
hardirqs last  enabled at (634357): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (634357): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (634358): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (633180): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (633180): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (633178): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (633178): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734
Modules linked in:

CPU: 0 PID: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0
 x28: ffff0000c9688978
 x27: ffff80000d49b000

x26: 0000000000000000
 x25: 0000000000000000
 x24: 0000000000000000

x23: 0000000000000000
 x22: 0000000000000000
 x21: 0000000000000000

x20: 0000000000000000
 x19: ffff0000c93eb000
 x18: 0000000000000398

x17: ffff80000c15d8bc
 x16: ffff80000dd86118
 x15: ffff0000c0cf8000

x14: 00000000000000b8
 x13: 00000000ffffffff
 x12: ffff0000c0cf8000

x11: ff80800009594dec
 x10: 0000000000000000
 x9 : ffff800009594dec

x8 : ffff0000c0cf8000
 x7 : ffff80000c109860
 x6 : 0000000000000000

x5 : 0000000000000000
 x4 : 0000000000000000
 x3 : 0000000000000000

x2 : 0000000000000000
 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: 635652
hardirqs last  enabled at (635651): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (635651): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (635652): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (634476): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (634476): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (634474): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (634474): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734
Modules linked in:
CPU: 0 PID: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0 x28: ffff0000c995f678 x27: ffff80000d49b000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000c4d28000 x18: 000000000000012e
x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000
x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000
x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec
x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 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: 636950
hardirqs last  enabled at (636949): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (636949): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (636950): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (635774): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (635774): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (635772): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (635772): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734
Modules linked in:
CPU: 0 PID: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0
 x28: ffff0000c4f2f178
 x27: ffff80000d49b000

x26: 0000000000000000
 x25: 0000000000000000
 x24: 0000000000000000

x23: 0000000000000000
 x22: 0000000000000000
 x21: 0000000000000000

x20: 0000000000000000
 x19: ffff0000c4d28000
 x18: ffff80001912b5f0

x17: ffff80000c15d8bc
 x16: ffff80000dd86118
 x15: ffff0000c0cf8000

x14: 00000000000000b8
 x13: 00000000ffffffff
 x12: ffff0000c0cf8000

x11: ff80800009594dec
 x10: 0000000000000000
 x9 : ffff800009594dec

x8 : ffff0000c0cf8000
 x7 : ffff80000c109860
 x6 : 0000000000000000

x5 : 0000000000000000
 x4 : 0000000000000000
 x3 : 0000000000000000

x2 : 0000000000000000
 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: 638316
hardirqs last  enabled at (638315): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (638315): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (638316): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (637136): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (637136): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (637134): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (637134): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 28 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: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0 x28: ffff0000c995fc78 x27: ffff80000d49b000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000c93ef000 x18: 000000000000017e
x17: 0000000000000000 x16: ffff80000dd86118 x15: ffff0000c0cf8000
x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000
x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec
x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 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: 639638
hardirqs last  enabled at (639637): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (639637): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (639638): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (638456): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (638456): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (638454): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (638454): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 28 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: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0
 x28: ffff0000c995f878
 x27: ffff80000d49b000

x26: 0000000000000000
 x25: 0000000000000000
 x24: 0000000000000000

x23: 0000000000000000
 x22: 0000000000000000
 x21: 0000000000000000

x20: 0000000000000000
 x19: ffff0000c4d2c000
 x18: 0000000000000380

x17: ffff80000c15d8bc
 x16: ffff80000dd86118
 x15: ffff0000c0cf8000

x14: 00000000000000b8
 x13: 00000000ffffffff
 x12: ffff0000c0cf8000

x11: ff80800009594dec
 x10: 0000000000000000
 x9 : ffff800009594dec

x8 : ffff0000c0cf8000
 x7 : ffff80000c109860
 x6 : 0000000000000000

x5 : 0000000000000000
 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000
 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: 641034
hardirqs last  enabled at (641033): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (641033): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (641034): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (639852): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (639852): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (639850): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (639850): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 28 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: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0 x28: ffff0000c4404978 x27: ffff80000d49b000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000c93ef000 x18: 0000000000000228
x17: ffff0001feff7268 x16: ffff80000dd86118 x15: ffff0000c0cf8000
x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000
x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec
x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 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: 642368
hardirqs last  enabled at (642367): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (642367): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (642368): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (641192): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (641192): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (641190): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (641190): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 28 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: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0
 x28: ffff0000c4f2f978
 x27: ffff80000d49b000

x26: 0000000000000000
 x25: 0000000000000000
 x24: 0000000000000000

x23: 0000000000000000
 x22: 0000000000000000
 x21: 0000000000000000

x20: 0000000000000000
 x19: ffff0000c93ef000
 x18: ffff800014643720

x17: ffff80000c15d8bc
 x16: ffff80000dd86118
 x15: ffff0000c0cf8000

x14: 00000000000000b8
 x13: 00000000ffffffff
 x12: ffff0000c0cf8000

x11: ff80800009594dec
 x10: 0000000000000000
 x9 : ffff800009594dec

x8 : ffff0000c0cf8000
 x7 : ffff80000c109860
 x6 : 0000000000000000

x5 : 0000000000000000
 x4 : 0000000000000000
 x3 : 0000000000000000

x2 : 0000000000000000
 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: 643668
hardirqs last  enabled at (643667): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (643667): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (643668): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (642486): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (642486): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (642484): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (642484): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 28 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: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0
 x28: ffff0000c649e878
 x27: ffff80000d49b000

x26: 0000000000000000
 x25: 0000000000000000
 x24: 0000000000000000

x23: 0000000000000000
 x22: 0000000000000000
 x21: 0000000000000000

x20: 0000000000000000
 x19: ffff0000c4d28000 x18: 0000000000000065
x17: 000000000000b67e
 x16: ffff80000dd86118
 x15: ffff0000c0cf8000

x14: 00000000000000b8
 x13: 00000000ffffffff
 x12: ffff0000c0cf8000

x11: ff80800009594dec
 x10: 0000000000000000 x9 : ffff800009594dec

x8 : ffff0000c0cf8000
 x7 : ffff80000c109860
 x6 : 0000000000000000

x5 : 0000000000000000
 x4 : 0000000000000000
 x3 : 0000000000000000

x2 : 0000000000000000 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: 644976
hardirqs last  enabled at (644975): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (644975): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (644976): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (643798): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (643798): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (643796): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (643796): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734
Modules linked in:
CPU: 0 PID: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0 x28: ffff0000c995f078 x27: ffff80000d49b000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000c4d2a000 x18: 00000000000003c7
x17: 0000000000000000 x16: ffff80000dd86118 x15: ffff0000c0cf8000
x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000
x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec
x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 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: 646330
hardirqs last  enabled at (646329): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (646329): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (646330): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (645158): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (645158): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (645156): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (645156): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 28 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: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0 x28: ffff0000c4f2f278 x27: ffff80000d49b000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000c4d2f000 x18: 00000000000002d7
x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000
x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000
x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec
x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 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: 647682
hardirqs last  enabled at (647681): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (647681): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (647682): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (646506): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (646506): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (646504): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (646504): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 28 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: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0 x28: ffff0000c995fc78 x27: ffff80000d49b000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000c93ec000 x18: 00000000000003e1
x17: 0000000000000000 x16: ffff80000dd86118 x15: ffff0000c0cf8000
x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000
x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec
x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 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: 649060
hardirqs last  enabled at (649059): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (649059): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (649060): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (647884): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (647884): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (647882): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (647882): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734
Modules linked in:
CPU: 0 PID: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0
 x28: ffff0000c9688278
 x27: ffff80000d49b000

x26: 0000000000000000
 x25: 0000000000000000
 x24: 0000000000000000

x23: 0000000000000000
 x22: 0000000000000000
 x21: 0000000000000000

x20: 0000000000000000
 x19: ffff0000c4d28000
 x18: 0000000000000291

x17: 0000000000000000
 x16: ffff80000dd86118
 x15: ffff0000c0cf8000

x14: 00000000000000b8
 x13: 00000000ffffffff
 x12: ffff0000c0cf8000

x11: ff80800009594dec
 x10: 0000000000000000
 x9 : ffff800009594dec

x8 : ffff0000c0cf8000
 x7 : ffff80000c109860
 x6 : 0000000000000000

x5 : 0000000000000000
 x4 : 0000000000000000
 x3 : 0000000000000000

x2 : 0000000000000000
 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: 650446
hardirqs last  enabled at (650445): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (650445): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (650446): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (649612): [<ffff8000080102e4>] _stext+0x2e4/0x37c
softirqs last disabled at (649587): [<ffff800008017c90>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 28 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: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0
 x28: ffff0000c995f678
 x27: ffff80000d49b000

x26: 0000000000000000
 x25: 0000000000000000
 x24: 0000000000000000

x23: 0000000000000000
 x22: 0000000000000000
 x21: 0000000000000000

x20: 0000000000000000
 x19: ffff0000c93ee000
 x18: ffff80001912b5f0

x17: ffff80000c15d8bc
 x16: ffff80000dd86118
 x15: ffff0000c0cf8000

x14: 00000000000000b8
 x13: 00000000ffffffff
 x12: ffff0000c0cf8000

x11: ff80800009594dec
 x10: 0000000000000000
 x9 : ffff800009594dec

x8 : ffff0000c0cf8000
 x7 : ffff80000c109860
 x6 : 0000000000000000

x5 : 0000000000000000
 x4 : 0000000000000000
 x3 : 0000000000000000

x2 : 0000000000000000
 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: 651724
hardirqs last  enabled at (651723): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (651723): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (651724): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (650546): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (650546): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (650544): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (650544): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734
Modules linked in:

CPU: 0 PID: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0
 x28: ffff0000c649ea78
 x27: ffff80000d49b000

x26: 0000000000000000
 x25: 0000000000000000
 x24: 0000000000000000

x23: 0000000000000000
 x22: 0000000000000000
 x21: 0000000000000000

x20: 0000000000000000
 x19: ffff0000c93ea000
 x18: 00000000000001e4

x17: 0000000000000000
 x16: ffff80000dd86118
 x15: ffff0000c0cf8000

x14: 00000000000000b8
 x13: 00000000ffffffff
 x12: ffff0000c0cf8000

x11: ff80800009594dec
 x10: 0000000000000000
 x9 : ffff800009594dec

x8 : ffff0000c0cf8000
 x7 : ffff80000c109860
 x6 : 0000000000000000

x5 : 0000000000000000
 x4 : 0000000000000000
 x3 : 0000000000000000

x2 : 0000000000000000
 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: 653092
hardirqs last  enabled at (653091): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (653091): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (653092): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (651916): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (651916): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (651914): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (651914): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734
Modules linked in:
CPU: 0 PID: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0 x28: ffff0000c4f2fa78 x27: ffff80000d49b000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000c4d2a000 x18: 000000000000030d
x17: 0000000000000000 x16: ffff80000dd86118 x15: ffff0000c0cf8000
x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000
x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec
x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 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: 654458
hardirqs last  enabled at (654457): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (654457): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (654458): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (653280): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (653280): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (653278): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (653278): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 28 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: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0
 x28: ffff0000c3994578
 x27: ffff80000d49b000

x26: 0000000000000000
 x25: 0000000000000000
 x24: 0000000000000000

x23: 0000000000000000
 x22: 0000000000000000
 x21: 0000000000000000

x20: 0000000000000000
 x19: ffff0000c4d2a000
 x18: 0000000000000034

x17: ffff80000c15d8bc
 x16: ffff80000dd86118
 x15: ffff0000c0cf8000

x14: 00000000000000b8
 x13: 00000000ffffffff
 x12: ffff0000c0cf8000

x11: ff80800009594dec
 x10: 0000000000000000
 x9 : ffff800009594dec

x8 : ffff0000c0cf8000
 x7 : ffff80000c109860
 x6 : 0000000000000000

x5 : 0000000000000000
 x4 : 0000000000000000
 x3 : 0000000000000000

x2 : 0000000000000000
 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: 655802
hardirqs last  enabled at (655801): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (655801): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (655802): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (654626): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (654626): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (654624): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (654624): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 28 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: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0 x28: ffff0000c7786c78 x27: ffff80000d49b000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000c4d2a000 x18: 00000000000001d1
x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000
x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000
x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec
x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 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: 657138
hardirqs last  enabled at (657137): [<ffff80000c124078>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (657137): [<ffff80000c124078>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (657138): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (655966): [<ffff80000b811778>] sock_orphan include/net/sock.h:2098 [inline]
softirqs last  enabled at (655966): [<ffff80000b811778>] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604
softirqs last disabled at (655964): [<ffff80000b81175c>] sock_orphan include/net/sock.h:2094 [inline]
softirqs last disabled at (655964): [<ffff80000b81175c>] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734
Modules linked in:

CPU: 0 PID: 28 Comm: kworker/u4:1 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 : ffff80000f7dbad0
x29: ffff80000f7dbad0
 x28: ffff0000c39d7078
 x27: ffff80000d49b000

x26: 0000000000000000
 x25: 0000000000000000
 x24: 0000000000000000

x23: 0000000000000000
 x22: 0000000000000000
 x21: 0000000000000000

x20: 0000000000000000
 x19: ffff0000c93ea000
 x18: 00000000000000d2


Crashes (7):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2023/01/12 09:33 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 358a161a6a9e 96166539 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in io_cqring_event_overflow
2023/01/14 01:12 upstream d9fc1511728c 529798b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in io_cqring_event_overflow
2023/01/12 22:43 upstream e8f60cd7db24 96166539 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in io_cqring_event_overflow
2023/01/12 22:41 upstream e8f60cd7db24 96166539 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in io_cqring_event_overflow
2023/01/19 18:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9598c377d828 1b826a2f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in io_cqring_event_overflow
2023/01/19 15:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9598c377d828 1b826a2f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in io_cqring_event_overflow
2023/01/12 09:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 358a161a6a9e 96166539 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in io_cqring_event_overflow
* Struck through repros no longer work on HEAD.