scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 general protection fault, probably for non-canonical address 0xffff000000000200: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xfff8200000001000-0xfff8200000001007] CPU: 1 PID: 46 Comm: kworker/u4:3 Not tainted 5.19.0-syzkaller-14276-gaea23e7c464b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Workqueue: events_unbound async_run_entry_fn RIP: 0010:freelist_dereference mm/slub.c:347 [inline] RIP: 0010:get_freepointer mm/slub.c:354 [inline] RIP: 0010:get_freepointer_safe mm/slub.c:368 [inline] RIP: 0010:slab_alloc_node mm/slub.c:3211 [inline] RIP: 0010:kmem_cache_alloc_node_trace+0x239/0x410 mm/slub.c:3307 Code: 48 83 c4 18 44 89 e1 4c 89 f2 5b 4c 89 fe 48 89 ef 5d 41 5c 41 5d 41 5e 41 5f e9 f2 4c 00 00 48 8b 7d 00 8b 4d 28 40 f6 c7 0f <48> 8b 1c 08 0f 85 1d 01 00 00 48 8d 4a 08 65 48 0f c7 0f 0f 94 c0 RSP: 0000:ffffc90000b775d8 EFLAGS: 00010246 RAX: ffff000000000000 RBX: 0000000000012d00 RCX: 0000000000000200 RDX: 00000000000015e9 RSI: 0000000000012d00 RDI: 000000000003dc40 RBP: ffff888011841dc0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000012d00 R13: 0000000000000000 R14: 00000000000002c0 R15: ffffffff83e37c6a FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kmalloc_node include/linux/slab.h:618 [inline] kzalloc_node include/linux/slab.h:744 [inline] blk_mq_alloc_hctx block/blk-mq.c:3526 [inline] blk_mq_alloc_and_init_hctx+0x6ca/0x11e0 block/blk-mq.c:3999 blk_mq_realloc_hw_ctxs+0x43d/0x590 block/blk-mq.c:4032 blk_mq_init_allocated_queue+0x527/0x1570 block/blk-mq.c:4094 blk_mq_init_queue_data block/blk-mq.c:3908 [inline] blk_mq_init_queue+0xc3/0x140 block/blk-mq.c:3918 scsi_alloc_sdev+0x852/0xcc0 drivers/scsi/scsi_scan.c:335 scsi_probe_and_add_lun+0x22be/0x3660 drivers/scsi/scsi_scan.c:1191 __scsi_scan_target+0x21f/0xdb0 drivers/scsi/scsi_scan.c:1673 scsi_scan_channel drivers/scsi/scsi_scan.c:1761 [inline] scsi_scan_channel+0x148/0x1e0 drivers/scsi/scsi_scan.c:1737 scsi_scan_host_selected+0x2df/0x3b0 drivers/scsi/scsi_scan.c:1790 do_scsi_scan_host+0x1e8/0x260 drivers/scsi/scsi_scan.c:1929 do_scan_async+0x3e/0x500 drivers/scsi/scsi_scan.c:1939 async_run_entry_fn+0x98/0x530 kernel/async.c:127 process_one_work+0x991/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:freelist_dereference mm/slub.c:347 [inline] RIP: 0010:get_freepointer mm/slub.c:354 [inline] RIP: 0010:get_freepointer_safe mm/slub.c:368 [inline] RIP: 0010:slab_alloc_node mm/slub.c:3211 [inline] RIP: 0010:kmem_cache_alloc_node_trace+0x239/0x410 mm/slub.c:3307 Code: 48 83 c4 18 44 89 e1 4c 89 f2 5b 4c 89 fe 48 89 ef 5d 41 5c 41 5d 41 5e 41 5f e9 f2 4c 00 00 48 8b 7d 00 8b 4d 28 40 f6 c7 0f <48> 8b 1c 08 0f 85 1d 01 00 00 48 8d 4a 08 65 48 0f c7 0f 0f 94 c0 RSP: 0000:ffffc90000b775d8 EFLAGS: 00010246 RAX: ffff000000000000 RBX: 0000000000012d00 RCX: 0000000000000200 RDX: 00000000000015e9 RSI: 0000000000012d00 RDI: 000000000003dc40 RBP: ffff888011841dc0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000012d00 R13: 0000000000000000 R14: 00000000000002c0 R15: ffffffff83e37c6a FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 83 c4 18 add $0x18,%rsp 4: 44 89 e1 mov %r12d,%ecx 7: 4c 89 f2 mov %r14,%rdx a: 5b pop %rbx b: 4c 89 fe mov %r15,%rsi e: 48 89 ef mov %rbp,%rdi 11: 5d pop %rbp 12: 41 5c pop %r12 14: 41 5d pop %r13 16: 41 5e pop %r14 18: 41 5f pop %r15 1a: e9 f2 4c 00 00 jmpq 0x4d11 1f: 48 8b 7d 00 mov 0x0(%rbp),%rdi 23: 8b 4d 28 mov 0x28(%rbp),%ecx 26: 40 f6 c7 0f test $0xf,%dil * 2a: 48 8b 1c 08 mov (%rax,%rcx,1),%rbx <-- trapping instruction 2e: 0f 85 1d 01 00 00 jne 0x151 34: 48 8d 4a 08 lea 0x8(%rdx),%rcx 38: 65 48 0f c7 0f cmpxchg16b %gs:(%rdi) 3d: 0f 94 c0 sete %al