vcan0: j1939_tp_rxtimer: 0xffff88801ed99c00: abort rx timeout. Force session deactivation ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8555 at net/can/j1939/socket.c:181 j1939_sk_queue_activate_next_locked net/can/j1939/socket.c:181 [inline] WARNING: CPU: 1 PID: 8555 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: 8555 Comm: syz-executor.3 Not tainted 5.17.0-rc8-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 2c 64 94 8d e8 e7 1a 98 f9 e9 73 fd ff ff e8 dd 1a 98 f9 e9 19 fe ff ff e8 43 a1 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: ffff8880779e0000 RCX: 0000000000000100 RDX: ffff888044de3a00 RSI: ffffffff88281eed RDI: 0000000000000003 RBP: ffff8880779e05a8 R08: 0000000000000000 R09: ffffffff8ffc6af7 R10: ffffffff88281e48 R11: 0000000000000001 R12: ffff88807d180c00 R13: ffff8880779e05e8 R14: dffffc0000000000 R15: ffff88807d180c18 FS: 0000555556f2b400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002000f038 CR3: 0000000049b0c000 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:preempt_count arch/x86/include/asm/preempt.h:27 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:166 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:200 Code: 48 89 ef 5d e9 21 d2 46 00 5d be 03 00 00 00 e9 b6 72 66 02 66 0f 1f 44 00 00 48 8b be b0 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 <65> 8b 05 89 af 89 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b RSP: 0018:ffffc900047f7438 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888044de3a00 RSI: ffffffff815fbf2c RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ffc6947 R10: ffffffff815fbf22 R11: 0000000000000000 R12: ffffffff84d6bed0 R13: 0000000000000200 R14: ffffc900047f7498 R15: dffffc0000000000 console_unlock+0x6c2/0xb70 kernel/printk/printk.c:2716 vprintk_emit+0x198/0x4f0 kernel/printk/printk.c:2245 vprintk+0x80/0x90 kernel/printk/printk_safe.c:50 _printk+0xba/0xed kernel/printk/printk.c:2266 show_free_areas.cold+0x95a/0x9b4 mm/page_alloc.c:6085 show_mem+0x31/0x191 lib/show_mem.c:17 warn_alloc_show_mem mm/page_alloc.c:4214 [inline] warn_alloc.cold+0x121/0x189 mm/page_alloc.c:4239 __vmalloc_area_node mm/vmalloc.c:2979 [inline] __vmalloc_node_range+0xe18/0x1060 mm/vmalloc.c:3107 alloc_thread_stack_node kernel/fork.c:245 [inline] dup_task_struct kernel/fork.c:887 [inline] copy_process+0x926/0x7250 kernel/fork.c:1998 kernel_clone+0xe7/0xab0 kernel/fork.c:2565 __do_sys_clone+0xc8/0x110 kernel/fork.c:2682 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: 0033:0x7fdcf9453471 Code: 48 85 ff 74 3d 48 85 f6 74 38 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 7c 13 74 01 c3 31 ed 58 5f ff d0 48 89 c7 b8 3c 00 00 00 RSP: 002b:00007fdcf9a98a68 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fdcf7c5c700 RCX: 00007fdcf9453471 RDX: 00007fdcf7c5c9d0 RSI: 00007fdcf7c5c2f0 RDI: 00000000003d0f00 RBP: 00007fdcf9a98cb0 R08: 00007fdcf7c5c700 R09: 00007fdcf7c5c700 R10: 00007fdcf7c5c9d0 R11: 0000000000000206 R12: 00007fdcf9a98b1e R13: 00007fdcf9a98b1f R14: 00007fdcf7c5c300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: e9 21 d2 46 00 jmpq 0x46d22a 9: 5d pop %rbp a: be 03 00 00 00 mov $0x3,%esi f: e9 b6 72 66 02 jmpq 0x26672ca 14: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 1a: 48 8b be b0 01 00 00 mov 0x1b0(%rsi),%rdi 21: e8 b4 ff ff ff callq 0xffffffda 26: 31 c0 xor %eax,%eax 28: c3 retq 29: 90 nop * 2a: 65 8b 05 89 af 89 7e mov %gs:0x7e89af89(%rip),%eax # 0x7e89afba <-- trapping instruction 31: 89 c1 mov %eax,%ecx 33: 48 8b 34 24 mov (%rsp),%rsi 37: 81 e1 00 01 00 00 and $0x100,%ecx 3d: 65 gs 3e: 48 rex.W 3f: 8b .byte 0x8b