vcan0: j1939_tp_rxtimer: 0xffff88807538cc00: abort rx timeout. Force session deactivation
------------[ cut here ]------------
WARNING: CPU: 1 PID: 7978 at net/can/j1939/socket.c:181 j1939_sk_queue_activate_next_locked net/can/j1939/socket.c:181 [inline]
WARNING: CPU: 1 PID: 7978 at net/can/j1939/socket.c:181 j1939_sk_queue_activate_next+0x34d/0x460 net/can/j1939/socket.c:205
Modules linked in:
CPU: 1 PID: 7978 Comm: syz-executor.1 Not tainted 5.17.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:j1939_sk_queue_activate_next_locked net/can/j1939/socket.c:181 [inline]
RIP: 0010:j1939_sk_queue_activate_next+0x34d/0x460 net/can/j1939/socket.c:205
Code: 1c 83 c0 0a 89 44 24 04 eb 9d 48 c7 c7 ec 59 94 8d e8 67 28 98 f9 e9 73 fd ff ff e8 5d 28 98 f9 e9 19 fe ff ff e8 83 a7 50 f9 <0f> 0b 49 8d bf b8 00 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84
RSP: 0018:ffffc90000dc0d80 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88805078a000 RCX: 0000000000000100
RDX: ffff88805e07ba00 RSI: ffffffff8828091d RDI: 0000000000000003
RBP: ffff88805078a5a8 R08: 0000000000000000 R09: ffffffff8ffc4a97
R10: ffffffff88280878 R11: 0000000000000001 R12: ffff88807771d400
R13: ffff88805078a5e8 R14: dffffc0000000000 R15: ffff88807771d418
FS: 00007fcbe97c9700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e630000 CR3: 000000004796a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
j1939_session_deactivate_activate_next+0xc8/0xd3 net/can/j1939/transport.c:1101
j1939_tp_rxtimer.cold+0x154/0x24f net/can/j1939/transport.c:1228
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1766
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1176 [inline]
RIP: 0010:rcu_lockdep_current_cpu_online+0x51/0x150 kernel/rcu/tree.c:1167
Code: 7e e8 03 15 e8 07 48 c7 c3 00 ab 03 00 83 f8 07 89 c5 0f 87 f5 00 00 00 48 8d 3c ed a0 d8 58 8b 48 b8 00 00 00 00 00 fc ff df <48> 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ad 00 00 00 48 03 1c ed a0
RSP: 0018:ffffc9000287fab0 EFLAGS: 00000297
RAX: dffffc0000000000 RBX: 000000000003ab00 RCX: ffffffff815d7be1
RDX: 0000000000000001 RSI: 0000000000000002 RDI: ffffffff8b58d8a8
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8d942617
R10: fffffbfff1b284c2 R11: 0000000000000000 R12: 0000000000000001
R13: ffffc9000287fd08 R14: 000000000000000a R15: dffffc0000000000
rcu_read_lock_held_common kernel/rcu/update.c:112 [inline]
rcu_read_lock_held_common kernel/rcu/update.c:102 [inline]
rcu_read_lock_sched_held+0x25/0x70 kernel/rcu/update.c:123
trace_lock_release include/trace/events/lock.h:58 [inline]
lock_release+0x522/0x720 kernel/locking/lockdep.c:5650
rcu_lock_release include/linux/rcupdate.h:273 [inline]
rcu_read_unlock include/linux/rcupdate.h:727 [inline]
inet_twsk_purge+0x503/0x7d0 net/ipv4/inet_timewait_sock.c:299
ops_exit_list+0x125/0x170 net/core/net_namespace.c:173
setup_net+0x77e/0xbb0 net/core/net_namespace.c:353
copy_net_ns+0x318/0x760 net/core/net_namespace.c:474
create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0xc1/0x1f0 kernel/nsproxy.c:226
ksys_unshare+0x445/0x920 kernel/fork.c:3058
__do_sys_unshare kernel/fork.c:3129 [inline]
__se_sys_unshare kernel/fork.c:3127 [inline]
__x64_sys_unshare+0x2d/0x40 kernel/fork.c:3127
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fcbeae54049
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcbe97c9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007fcbeaf66f60 RCX: 00007fcbeae54049
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000062000200
RBP: 00007fcbeaeae08d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcbeb49ab1f R14: 00007fcbe97c9300 R15: 0000000000022000
----------------
Code disassembly (best guess), 1 bytes skipped:
0: e8 03 15 e8 07 callq 0x7e81508
5: 48 c7 c3 00 ab 03 00 mov $0x3ab00,%rbx
c: 83 f8 07 cmp $0x7,%eax
f: 89 c5 mov %eax,%ebp
11: 0f 87 f5 00 00 00 ja 0x10c
17: 48 8d 3c ed a0 d8 58 lea -0x74a72760(,%rbp,8),%rdi
1e: 8b
1f: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
26: fc ff df
* 29: 48 89 fa mov %rdi,%rdx <-- trapping instruction
2c: 48 c1 ea 03 shr $0x3,%rdx
30: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
34: 0f 85 ad 00 00 00 jne 0xe7
3a: 48 rex.W
3b: 03 .byte 0x3
3c: 1c ed sbb $0xed,%al
3e: a0 .byte 0xa0