syzbot

Oops: general protection fault, probably for non-canonical address 0xe0000be59afca404: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x00007f2cd7e52020-0x00007f2cd7e52027]
CPU: 1 UID: 0 PID: 5370 Comm: syz-executor476 Not tainted 6.11.0-rc1-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__dev_flush+0x49/0x1e0 kernel/bpf/devmap.c:424
Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 98 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2f 48 8d 5d 80 48 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 69 01 00 00 48 8b 45 00 49 39 ef 4c 8d 60 80 0f
RSP: 0018:ffffc900008b0c80 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 00007f2cd7e51fa0 RCX: ffffffff88f94a1b
RDX: 00000fe59afca404 RSI: ffffffff81afdbf6 RDI: ffffc900032d7570
RBP: 00007f2cd7e52020 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffc900032d7560
R13: ffff888023738fb0 R14: ffffc900032d7570 R15: ffffc900032d7570
FS:  0000555575d1c380(0000) GS:ffff88806b100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2cd7ed3270 CR3: 00000000334be000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 xdp_do_check_flushed+0x40a/0x4e0 net/core/filter.c:4307
 __napi_poll.constprop.0+0xd1/0x550 net/core/dev.c:6774
 napi_poll net/core/dev.c:6840 [inline]
 net_rx_action+0xa92/0x1010 net/core/dev.c:6962
 handle_softirqs+0x216/0x8f0 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu kernel/softirq.c:637 [inline]
 irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649
 common_interrupt+0xb0/0xd0 arch/x86/kernel/irq.c:278
 </IRQ>
 <TASK>
 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
RIP: 0010:__orc_find+0x87/0x130 arch/x86/kernel/unwind_orc.c:100
Code: 17 e8 ed bb 4d 00 49 8d 5f 04 4c 89 3c 24 e8 e0 bb 4d 00 48 39 dd 72 67 e8 d6 bb 4d 00 48 89 e8 48 29 d8 48 89 c2 48 c1 e8 3f <48> c1 fa 02 48 01 d0 48 d1 f8 4c 8d 3c 83 4c 89 fa 48 c1 ea 03 42
RSP: 0018:ffffc900032d78d0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff902c782c RCX: ffffffff813cd424
RDX: 0000000000000010 RSI: ffffffff813cd3da RDI: 0000000000000006
RBP: ffffffff902c783c R08: 0000000000000006 R09: ffffffff81f7bad6
R10: ffffffff81f7bad9 R11: 0000000000000000 R12: ffffffff81f7bad6
R13: ffffffff81f7bad9 R14: dffffc0000000000 R15: ffffffff902c7840
 orc_find arch/x86/kernel/unwind_orc.c:227 [inline]
 unwind_next_frame+0x335/0x23a0 arch/x86/kernel/unwind_orc.c:494
 arch_stack_walk+0x100/0x170 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 __kasan_record_aux_stack+0xba/0xd0 mm/kasan/generic.c:541
 __call_rcu_common.constprop.0+0x9a/0x790 kernel/rcu/tree.c:3106
 destroy_inode+0x12c/0x1b0 fs/inode.c:318
 iput_final fs/inode.c:1803 [inline]
 iput.part.0+0x5a8/0x7f0 fs/inode.c:1829
 iput+0x5c/0x80 fs/inode.c:1819
 dentry_unlink_inode+0x29c/0x480 fs/dcache.c:407
 __dentry_kill+0x1d0/0x600 fs/dcache.c:610
 dput.part.0+0x4b1/0x9b0 fs/dcache.c:852
 dput+0x1f/0x30 fs/dcache.c:842
 __fput+0x54e/0xbb0 fs/file_table.c:430
 __fput_sync+0x47/0x50 fs/file_table.c:507
 __do_sys_close fs/open.c:1566 [inline]
 __se_sys_close fs/open.c:1551 [inline]
 __x64_sys_close+0x86/0x100 fs/open.c:1551
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2cd7e52020
Code: ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 80 3d 81 e0 07 00 00 74 17 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c
RSP: 002b:00007ffee1642498 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2cd7e52020
RDX: 000000000000000e RSI: 0000000020000200 RDI: 0000000000000004
RBP: 00007ffee16424e0 R08: 00007ffee16424c0 R09: 00007ffee16424c0
R10: 00007ffee16424c0 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__dev_flush+0x49/0x1e0 kernel/bpf/devmap.c:424
Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 98 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2f 48 8d 5d 80 48 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 69 01 00 00 48 8b 45 00 49 39 ef 4c 8d 60 80 0f
RSP: 0018:ffffc900008b0c80 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 00007f2cd7e51fa0 RCX: ffffffff88f94a1b
RDX: 00000fe59afca404 RSI: ffffffff81afdbf6 RDI: ffffc900032d7570
RBP: 00007f2cd7e52020 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffc900032d7560
R13: ffff888023738fb0 R14: ffffc900032d7570 R15: ffffc900032d7570
FS:  0000555575d1c380(0000) GS:ffff88806b100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2cd7ed3270 CR3: 00000000334be000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 4 bytes skipped:
   0:	48 c1 ea 03          	shr    $0x3,%rdx
   4:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   8:	0f 85 98 01 00 00    	jne    0x1a6
   e:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  15:	fc ff df
  18:	49 8b 2f             	mov    (%r15),%rbp
  1b:	48 8d 5d 80          	lea    -0x80(%rbp),%rbx
  1f:	48 89 ea             	mov    %rbp,%rdx
  22:	48 c1 ea 03          	shr    $0x3,%rdx
* 26:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2a:	0f 85 69 01 00 00    	jne    0x199
  30:	48 8b 45 00          	mov    0x0(%rbp),%rax
  34:	49 39 ef             	cmp    %rbp,%r15
  37:	4c 8d 60 80          	lea    -0x80(%rax),%r12
  3b:	0f                   	.byte 0xf