warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.4:4815] Modules linked in: irq event stamp: 4579444 hardirqs last enabled at (4579443): [] asm_sysvec_apic_timer_interrupt+0x1b/0x20 hardirqs last disabled at (4579444): [] sysvec_apic_timer_interrupt+0xb/0xc0 softirqs last enabled at (28106): [] __irq_exit_rcu+0x113/0x170 softirqs last disabled at (27645): [] __irq_exit_rcu+0x113/0x170 CPU: 0 PID: 4815 Comm: syz-executor.4 Not tainted 5.18.0-next-20220531 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:obj_cgroup_charge+0x250/0x870 Code: 85 35 05 00 00 49 c7 44 24 28 00 00 00 00 48 c7 c6 7b f0 79 81 4c 89 e7 e8 cd 2a af ff 4d 85 f6 74 06 e8 b3 38 d1 ff fb 31 c0 <45> 84 ff 0f 85 f2 00 00 00 49 89 df 81 e3 ff 0f 00 00 49 c1 ef 0c RSP: 0018:ffff8880453379c0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000048 RCX: ffffffff81287b4f RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff88800f710d00 R08: 0000000000000001 R09: ffffffff86a5d83f R10: fffffbfff0d4bb07 R11: 0000000000000001 R12: ffff88806ce34be0 R13: ffffffff86dea780 R14: 0000000000000200 R15: 0000000000000001 FS: 00007f5a8c95d700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 00000000439be000 CR4: 0000000000350ef0 Call Trace: kmem_cache_alloc_trace+0x96/0x3c0 io_cqring_event_overflow+0xb9/0x650 __io_req_complete_post+0x45e/0x530 io_req_complete_post+0x56/0x1d0 io_queue_async+0x83/0x220 io_submit_sqes+0x437d/0x7e50 __do_sys_io_uring_enter+0x107f/0x2280 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f5a8f3e7b19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5a8c95d188 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa RAX: ffffffffffffffda RBX: 00007f5a8f4faf60 RCX: 00007f5a8f3e7b19 RDX: 0000000000000000 RSI: 0000000000007fd6 RDI: 0000000000000003 RBP: 00007f5a8f441f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe2e5a02cf R14: 00007f5a8c95d300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4814 Comm: syz-executor.1 Not tainted 5.18.0-next-20220531 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:rcu_lockdep_current_cpu_online+0x57/0x130 Code: 4f ac e6 02 48 c7 c3 c0 8a 03 00 48 ba 00 00 00 00 00 fc ff df 89 c0 48 8d 3c c5 e0 d8 f3 84 48 89 f9 48 c1 e9 03 80 3c 11 00 <0f> 85 b9 00 00 00 48 03 1c c5 e0 d8 f3 84 48 b8 00 00 00 00 00 fc RSP: 0018:ffff88806cf09a98 EFLAGS: 00000046 RAX: 0000000000000001 RBX: 0000000000038ac0 RCX: 1ffffffff09e7b1d RDX: dffffc0000000000 RSI: 0000000000010003 RDI: ffffffff84f3d8e8 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff858eaf17 R10: fffffbfff0b1d5e2 R11: 0000000000000001 R12: 0000000000000001 R13: 0000000000000000 R14: ffffffff85223508 R15: 0000000000000000 FS: 00007f4f25344700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f63137e4718 CR3: 00000000439ba000 CR4: 0000000000350ee0 Call Trace: rcu_read_lock_sched_held+0x25/0x70 lock_acquire+0x45a/0x530 ktime_get+0x7c/0x1f0 perf_swevent_hrtimer+0x250/0x400 __hrtimer_run_queues+0x1ca/0xbd0 hrtimer_interrupt+0x315/0x770 __sysvec_apic_timer_interrupt+0x144/0x4f0 sysvec_apic_timer_interrupt+0x89/0xc0 asm_sysvec_apic_timer_interrupt+0x1b/0x20 RIP: 0010:filter_irq_stacks+0x51/0x90 Code: 4b 48 8b 07 48 3d b0 01 20 84 72 18 48 3d 90 0e 20 84 73 10 44 8d 63 01 48 83 c4 08 44 89 e0 5b 5d 41 5c c3 48 3d 00 00 40 84 <72> 08 48 3d c7 08 40 84 72 e0 83 c3 01 48 83 c7 08 41 39 dc 75 b4 RSP: 0018:ffff88800f177798 EFLAGS: 00000283 RAX: ffffffff8192fb79 RBX: 0000000000000002 RCX: 0000000000000001 RDX: 0000000000400820 RSI: 000000000000000a RDI: ffff88800f177828 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 000000000000000a R13: 0000000000400820 R14: ffff88800f177818 R15: 0000000000000020 __stack_depot_save+0x35/0x450 kasan_save_stack+0x2e/0x40 __kasan_kmalloc+0x81/0xa0 io_cqring_event_overflow+0xb9/0x650 __io_req_complete_post+0x45e/0x530 io_req_complete_post+0x56/0x1d0 io_queue_async+0x83/0x220 io_submit_sqes+0x437d/0x7e50 __do_sys_io_uring_enter+0x107f/0x2280 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f4f27dceb19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4f25344188 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa RAX: ffffffffffffffda RBX: 00007f4f27ee1f60 RCX: 00007f4f27dceb19 RDX: 0000000000000000 RSI: 0000000000007fd6 RDI: 0000000000000003 RBP: 00007f4f27e28f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffd2c6f73f R14: 00007f4f25344300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 85 35 05 00 00 49 test %esi,0x49000005(%rip) # 0x4900000b 6: c7 44 24 28 00 00 00 movl $0x0,0x28(%rsp) d: 00 e: 48 c7 c6 7b f0 79 81 mov $0xffffffff8179f07b,%rsi 15: 4c 89 e7 mov %r12,%rdi 18: e8 cd 2a af ff callq 0xffaf2aea 1d: 4d 85 f6 test %r14,%r14 20: 74 06 je 0x28 22: e8 b3 38 d1 ff callq 0xffd138da 27: fb sti 28: 31 c0 xor %eax,%eax * 2a: 45 84 ff test %r15b,%r15b <-- trapping instruction 2d: 0f 85 f2 00 00 00 jne 0x125 33: 49 89 df mov %rbx,%r15 36: 81 e3 ff 0f 00 00 and $0xfff,%ebx 3c: 49 c1 ef 0c shr $0xc,%r15