general protection fault, probably for non-canonical address 0xdffffc001450459d: 0000 [#1] PREEMPT SMP KASAN KASAN: probably user-memory-access in range [0x00000000a2822ce8-0x00000000a2822cef] CPU: 1 PID: 29150 Comm: syz-executor.4 Not tainted 5.9.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:blkg_to_pd include/linux/blk-cgroup.h:378 [inline] RIP: 0010:blkg_to_lat block/blk-iolatency.c:184 [inline] RIP: 0010:blkcg_iolatency_done_bio+0x15f/0x1780 block/blk-iolatency.c:603 Code: 48 8b 04 24 48 83 fb 04 8b 68 10 0f 87 99 12 00 00 49 8d bc df e0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 6c 12 00 00 49 8b 9c df e0 00 00 00 48 85 db 0f RSP: 0018:ffffc90000da8b40 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff83b561dc RDX: 000000001450459d RSI: ffffffff83b561e9 RDI: 00000000a2822ce8 RBP: 0000000000008801 R08: 0000000000000000 R09: ffffffff8b591ccf R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83b560e0 R13: ffff88800010b200 R14: ffff88800010b200 R15: 00000000a2822c00 FS: 0000000000000000(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e62e000 CR3: 0000000088687000 CR4: 00000000001526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __rq_qos_done_bio+0x55/0xa0 block/blk-rq-qos.c:99 rq_qos_done_bio block/blk-rq-qos.h:171 [inline] bio_endio+0x1e9/0x7f0 block/bio.c:1425 req_bio_endio block/blk-core.c:259 [inline] blk_update_request+0x68f/0x1500 block/blk-core.c:1577 scsi_end_request+0x7e/0x8f0 drivers/scsi/scsi_lib.c:566 scsi_io_completion+0x1df/0x1310 drivers/scsi/scsi_lib.c:938 scsi_softirq_done+0x327/0x3c0 drivers/scsi/scsi_lib.c:1464 blk_done_softirq+0x33c/0x4d0 block/blk-mq.c:586 __do_softirq+0x1f8/0xb23 kernel/softirq.c:298 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] do_softirq_own_stack+0x9d/0xd0 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+0x235/0x280 kernel/softirq.c:435 common_interrupt+0xa3/0x1f0 arch/x86/kernel/irq.c:239 asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:572 RIP: 0010:lock_is_held_type+0xca/0xf0 kernel/locking/lockdep.c:5073 Code: 82 e4 08 00 00 83 e8 01 66 85 c0 89 82 e4 08 00 00 75 27 4c 89 ff e8 d5 db 36 f9 48 83 c4 08 44 89 e0 5b 5d 41 5c 41 5d 41 5e <41> 5f c3 45 31 e4 eb c4 41 bc 01 00 00 00 eb e1 0f 0b c7 82 e4 08 RSP: 0018:ffffc90008baf6a0 EFLAGS: 00000286 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff815c000f RDX: dffffc0000000000 RSI: ffffffff8a067e40 RDI: 0000000000000286 RBP: 1ffff92001175eda R08: 0000000000000000 R09: ffffffff8b591ccf R10: fffffbfff16b2399 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff8a067f00 R14: ffffffff81bc918f R15: 0000000000000286 lock_is_held include/linux/lockdep.h:267 [inline] rcu_read_lock_sched_held+0x3a/0xb0 kernel/rcu/update.c:136 trace_lock_release include/trace/events/lock.h:58 [inline] lock_release+0x6a1/0x8f0 kernel/locking/lockdep.c:5040 zap_pte_range mm/memory.c:1093 [inline] zap_pmd_range mm/memory.c:1197 [inline] zap_pud_range mm/memory.c:1226 [inline] zap_p4d_range mm/memory.c:1247 [inline] unmap_page_range+0xf6b/0x2bf0 mm/memory.c:1268 unmap_single_vma+0x198/0x300 mm/memory.c:1313 unmap_vmas+0x168/0x2e0 mm/memory.c:1345 exit_mmap+0x2b1/0x530 mm/mmap.c:3183 __mmput+0x122/0x470 kernel/fork.c:1076 mmput+0x53/0x60 kernel/fork.c:1097 exit_mm kernel/exit.c:483 [inline] do_exit+0xa8b/0x29f0 kernel/exit.c:793 do_group_exit+0x125/0x310 kernel/exit.c:903 get_signal+0x428/0x1f00 kernel/signal.c:2757 arch_do_signal+0x82/0x2520 arch/x86/kernel/signal.c:811 exit_to_user_mode_loop kernel/entry/common.c:161 [inline] exit_to_user_mode_prepare+0x1ae/0x200 kernel/entry/common.c:192 syscall_exit_to_user_mode+0x7e/0x2e0 kernel/entry/common.c:267 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45e179 Code: Bad RIP value. RSP: 002b:00007f5cec2efc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: 0000000000080000 RBX: 0000000000027a40 RCX: 000000000045e179 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 RBP: 000000000118cf88 R08: 0000000000000000 R09: 0000000000000000 R10: 000080001d00c0d0 R11: 0000000000000246 R12: 000000000118cf4c R13: 000000000169fb6f R14: 00007f5cec2f09c0 R15: 000000000118cf4c Modules linked in: ---[ end trace 72d90ca4257da8d6 ]--- RIP: 0010:blkg_to_pd include/linux/blk-cgroup.h:378 [inline] RIP: 0010:blkg_to_lat block/blk-iolatency.c:184 [inline] RIP: 0010:blkcg_iolatency_done_bio+0x15f/0x1780 block/blk-iolatency.c:603 Code: 48 8b 04 24 48 83 fb 04 8b 68 10 0f 87 99 12 00 00 49 8d bc df e0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 6c 12 00 00 49 8b 9c df e0 00 00 00 48 85 db 0f RSP: 0018:ffffc90000da8b40 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff83b561dc RDX: 000000001450459d RSI: ffffffff83b561e9 RDI: 00000000a2822ce8 RBP: 0000000000008801 R08: 0000000000000000 R09: ffffffff8b591ccf R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83b560e0 R13: ffff88800010b200 R14: ffff88800010b200 R15: 00000000a2822c00 FS: 0000000000000000(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e62e000 CR3: 0000000088687000 CR4: 00000000001526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400