vcan0: j1939_xtp_rx_abort_one: 0xffff88806428a800: 0x00000: (5) Maximal retransmit request limit reached vcan0: j1939_tp_rxtimer: 0xffff888079525800: rx timeout, send abort vcan0: j1939_xtp_rx_abort_one: 0xffff88802b19ec00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_xtp_rx_abort_one: 0xffff88802b19f000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5544 at net/can/j1939/transport.c:1098 j1939_session_deactivate net/can/j1939/transport.c:1098 [inline] WARNING: CPU: 1 PID: 5544 at net/can/j1939/transport.c:1098 j1939_session_deactivate_activate_next+0x95/0xd3 net/can/j1939/transport.c:1108 Modules linked in: CPU: 1 PID: 5544 Comm: syz-executor.2 Not tainted 6.2.0-rc1-syzkaller-13422-g1b929c02afd3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:j1939_session_deactivate net/can/j1939/transport.c:1098 [inline] RIP: 0010:j1939_session_deactivate_activate_next+0x95/0xd3 net/can/j1939/transport.c:1108 Code: 03 38 d0 7c 0c 84 d2 74 08 4c 89 ef e8 7a 9a cc f7 8b 5d 28 bf 01 00 00 00 89 de e8 8b 8f 7e f7 83 fb 01 77 07 e8 d1 92 7e f7 <0f> 0b e8 ca 92 7e f7 48 89 ef e8 82 0d c8 fe 4c 89 e7 89 c3 e8 e8 RSP: 0018:ffffc900001e0a88 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000100 RDX: ffff88801d7ed7c0 RSI: ffffffff8a02bf6f RDI: 0000000000000005 RBP: ffff88802b19f000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888063d09070 R13: ffff88802b19f028 R14: ffffffff8b701700 R15: 0000000000000003 FS: 0000000001a86400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc5dcdcf98 CR3: 000000002b784000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: j1939_xtp_rx_abort_one.cold+0x301/0x403 net/can/j1939/transport.c:1348 j1939_xtp_rx_abort net/can/j1939/transport.c:1360 [inline] j1939_tp_cmd_recv net/can/j1939/transport.c:2108 [inline] j1939_tp_recv+0xb78/0xcd0 net/can/j1939/transport.c:2141 j1939_can_recv net/can/j1939/main.c:112 [inline] j1939_can_recv+0x78e/0xa30 net/can/j1939/main.c:38 deliver net/can/af_can.c:572 [inline] can_rcv_filter+0x5d4/0x8d0 net/can/af_can.c:606 can_receive+0x31d/0x580 net/can/af_can.c:663 can_rcv+0x1e1/0x230 net/can/af_can.c:687 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5482 __netif_receive_skb+0x1f/0x1c0 net/core/dev.c:5596 process_backlog+0x3e4/0x810 net/core/dev.c:5924 __napi_poll+0xb8/0x770 net/core/dev.c:6485 napi_poll net/core/dev.c:6552 [inline] net_rx_action+0xa00/0xde0 net/core/dev.c:6663 __do_softirq+0x1fb/0xadc kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 irq_exit_rcu+0x9/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:lock_release+0x429/0x810 kernel/locking/lockdep.c:5676 Code: 7e 83 f8 01 0f 85 02 02 00 00 9c 58 f6 c4 02 0f 85 ed 01 00 00 48 f7 04 24 00 02 00 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c5 48 c7 45 00 00 00 00 00 c7 45 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffffc90005d979d0 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 4a7896e8c0a13eb0 RCX: ffffc90005d97a20 RDX: 1ffff11003afdc3d RSI: 0000000000000000 RDI: 0000000000000000 RBP: 1ffff92000bb2f3c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000002 R13: 0000000000000003 R14: ffff88801d7ee1f0 R15: ffff88801d7ed7c0 rcu_lock_release include/linux/rcupdate.h:330 [inline] rcu_read_unlock include/linux/rcupdate.h:797 [inline] xa_load+0x15c/0x290 lib/xarray.c:1467 memcg_list_lru_allocated mm/list_lru.c:469 [inline] memcg_list_lru_alloc+0x1ab/0xb00 mm/list_lru.c:483 memcg_slab_pre_alloc_hook mm/slab.h:504 [inline] slab_pre_alloc_hook mm/slab.h:725 [inline] slab_alloc_node mm/slub.c:3434 [inline] slab_alloc mm/slub.c:3460 [inline] __kmem_cache_alloc_lru mm/slub.c:3467 [inline] kmem_cache_alloc_lru+0x11d/0x760 mm/slub.c:3483 __d_alloc+0x32/0x980 fs/dcache.c:1769 d_alloc+0x4e/0x240 fs/dcache.c:1849 __lookup_hash+0xc8/0x180 fs/namei.c:1597 filename_create+0x1d6/0x4a0 fs/namei.c:3808 do_mkdirat+0x9d/0x2f0 fs/namei.c:4051 __do_sys_mkdir fs/namei.c:4081 [inline] __se_sys_mkdir fs/namei.c:4079 [inline] __x64_sys_mkdir+0xf6/0x140 fs/namei.c:4079 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x465707 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc5dcde868 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007ffc5dcde900 RCX: 0000000000465707 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffc5dcde900 RBP: 00007ffc5dcde8dc R08: 0000000000000000 R09: 0000000000000003 R10: 00007ffc5dcde607 R11: 0000000000000202 R12: 0000000000000032 R13: 000000000001ed96 R14: 0000000000000009 R15: 00007ffc5dcde940 ---------------- Code disassembly (best guess): 0: 7e 83 jle 0xffffff85 2: f8 clc 3: 01 0f add %ecx,(%rdi) 5: 85 02 test %eax,(%rdx) 7: 02 00 add (%rax),%al 9: 00 9c 58 f6 c4 02 0f add %bl,0xf02c4f6(%rax,%rbx,2) 10: 85 ed test %ebp,%ebp 12: 01 00 add %eax,(%rax) 14: 00 48 f7 add %cl,-0x9(%rax) 17: 04 24 add $0x24,%al 19: 00 02 add %al,(%rdx) 1b: 00 00 add %al,(%rax) 1d: 74 01 je 0x20 1f: fb sti 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 48 01 c5 add %rax,%rbp <-- trapping instruction 2d: 48 c7 45 00 00 00 00 movq $0x0,0x0(%rbp) 34: 00 35: c7 45 08 00 00 00 00 movl $0x0,0x8(%rbp) 3c: 48 rex.W 3d: 8b .byte 0x8b 3e: 84 .byte 0x84 3f: 24 .byte 0x24