Contact linux-ext4@vger.kernel.org if you think we should keep it. EXT4-fs (loop0): mounted filesystem without journal. Opts: noacl,,errors=continue tmpfs: Unknown parameter '01777777777777777777777' INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 0 PID: 4133 Comm: kworker/0:4 Not tainted 5.10.211 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: events_freezable_power_ disk_events_workfn Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 assign_lock_key kernel/locking/lockdep.c:936 [inline] register_lock_class+0x1414/0x17b0 kernel/locking/lockdep.c:1249 __lock_acquire+0x102/0x5b00 kernel/locking/lockdep.c:4834 lock_acquire kernel/locking/lockdep.c:5566 [inline] lock_acquire+0x197/0x470 kernel/locking/lockdep.c:5531 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x36/0x60 kernel/locking/spinlock.c:159 __delete_object+0x87/0x100 mm/kmemleak.c:670 kmemleak_free_recursive include/linux/kmemleak.h:49 [inline] slab_free_hook mm/slub.c:1517 [inline] slab_free_freelist_hook+0x13e/0x180 mm/slub.c:1576 slab_free mm/slub.c:3149 [inline] kfree+0xd7/0x340 mm/slub.c:4125 memcg_free_page_obj_cgroups mm/slab.h:262 [inline] unaccount_slab_page mm/slab.h:452 [inline] __free_slab+0xb0/0x1f0 mm/slub.c:1848 unfreeze_partials+0x13e/0x190 mm/slub.c:2365 put_cpu_partial+0x60/0x130 mm/slub.c:2401 qlink_free mm/kasan/quarantine.c:151 [inline] qlist_free_all+0x59/0xe0 mm/kasan/quarantine.c:170 quarantine_reduce+0x184/0x210 mm/kasan/quarantine.c:267 __kasan_kmalloc.constprop.0+0xa2/0xd0 mm/kasan/common.c:442 slab_post_alloc_hook mm/slab.h:532 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] __kmalloc+0x150/0x390 mm/slub.c:3967 kmalloc include/linux/slab.h:557 [inline] bio_alloc_bioset+0x3b7/0x600 block/bio.c:451 bio_kmalloc include/linux/bio.h:407 [inline] bio_copy_kern block/blk-map.c:480 [inline] blk_rq_map_kern+0x5be/0x9e0 block/blk-map.c:698 __scsi_execute+0x4e7/0x630 drivers/scsi/scsi_lib.c:258 scsi_execute_req include/scsi/scsi_device.h:461 [inline] sr_get_events drivers/scsi/sr.c:208 [inline] sr_check_events+0x182/0x9d0 drivers/scsi/sr.c:248 cdrom_update_events drivers/cdrom/cdrom.c:1484 [inline] cdrom_check_events+0x64/0x110 drivers/cdrom/cdrom.c:1494 sr_block_check_events+0x1b0/0x2c0 drivers/scsi/sr.c:666 disk_check_events+0x137/0x5f0 block/genhd.c:2142 process_one_work+0x9a9/0x14b0 kernel/workqueue.c:2282 worker_thread+0x61d/0x1310 kernel/workqueue.c:2428 kthread+0x38f/0x470 kernel/kthread.c:313 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:299 BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 0 P4D 0 Oops: 0010 [#1] SMP KASAN NOPTI CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.211 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:0x0 Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. RSP: 0018:ffff88806ce09e78 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88806ce3c000 RCX: ffffffff812ea9fb RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88800d7dac50 RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8567398f R10: fffffbfff0ace731 R11: 0000000000000001 R12: ffff88806ce09ef0 R13: ffffffff812ea9b4 R14: ffff88800d7dac50 R15: ffff88806ce3c000 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000015b6c000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000dd060a Call Trace: rcu_do_batch kernel/rcu/tree.c:2494 [inline] rcu_core+0xc61/0x16c0 kernel/rcu/tree.c:2735 __do_softirq+0x1b8/0x7c9 kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:default_idle+0xe/0x20 arch/x86/kernel/process.c:707 Code: 86 fd e9 4b ff ff ff 4c 89 e7 e8 ed 3f 86 fd eb 8f 66 66 2e 0f 1f 84 00 00 00 00 00 e9 07 00 00 00 0f 00 2d 14 e5 5b 00 fb f4 0d e6 39 00 cc cc cc cc cc cc cc cc cc cc cc cc cc 41 55 41 54 RSP: 0018:ffffffff84e07e38 EFLAGS: 00000246 RAX: ffffffff83e659a0 RBX: 0000000000000000 RCX: ffffffff83e4d78c RDX: 00000000000f9cd6 RSI: 0000000000000004 RDI: ffffffff83e65fa8 RBP: fffffbfff09c6450 R08: 0000000000000000 R09: ffff88806ce3c12b R10: ffffed100d9c7825 R11: 0000000000000001 R12: 0000000000000000 R13: ffffffff85673988 R14: 0000000000000000 R15: dffffc0000000000 default_idle_call+0xbf/0x2c0 kernel/sched/idle.c:112 cpuidle_idle_call kernel/sched/idle.c:194 [inline] do_idle+0x3ad/0x520 kernel/sched/idle.c:300 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:396 start_kernel+0x464/0x489 init/main.c:1044 secondary_startup_64_no_verify+0xc2/0xcb Modules linked in: CR2: 0000000000000000 ---[ end trace 11d6718bcf7bc5aa ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. RSP: 0018:ffff88806ce09e78 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88806ce3c000 RCX: ffffffff812ea9fb RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88800d7dac50 RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8567398f R10: fffffbfff0ace731 R11: 0000000000000001 R12: ffff88806ce09ef0 R13: ffffffff812ea9b4 R14: ffff88800d7dac50 R15: ffff88806ce3c000 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000015b6c000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000dd060a ---------------- Code disassembly (best guess): 0: 86 fd xchg %bh,%ch 2: e9 4b ff ff ff jmpq 0xffffff52 7: 4c 89 e7 mov %r12,%rdi a: e8 ed 3f 86 fd callq 0xfd863ffc f: eb 8f jmp 0xffffffa0 11: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 18: 00 00 00 00 1c: e9 07 00 00 00 jmpq 0x28 21: 0f 00 2d 14 e5 5b 00 verw 0x5be514(%rip) # 0x5be53c 28: fb sti 29: f4 hlt * 2a: e9 0d e6 39 00 jmpq 0x39e63c <-- trapping instruction 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 41 55 push %r13 3e: 41 54 push %r12