======================================
| [  364.953751][ T3370] eth1: renamed from tmp
| [  388.356852][ T3634] eth2: renamed from tmp
| [  433.432525][ T3831] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] SMP KASAN
| [  433.432956][ T3831] KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
[  433.433519][ T3831] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  433.433738][ T3831] RIP: 0010:kasan_byte_accessible (mm/kasan/generic.c:210)
[  433.433963][ T3831] Code: 00 00 e9 2e fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 40 d6 48 b8 00 00 00 00 00 fc ff df 48 c1 ef 03 48 01 c7 <0f> b6 07 3c 07 0f 96 c0 c3 66 90 0f 1f 40 d6 e9 07 1c 00 00 0f 1f
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	e9 2e fe ff ff       	jmp    0xfffffffffffffe35
   7:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
   e:	00 00 00 00 
  12:	0f 1f 00             	nopl   (%rax)
  15:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df 
  23:	48 c1 ef 03          	shr    $0x3,%rdi
  27:	48 01 c7             	add    %rax,%rdi
  2a:*	0f b6 07             	movzbl (%rdi),%eax		<-- trapping instruction
  2d:	3c 07                	cmp    $0x7,%al
  2f:	0f 96 c0             	setbe  %al
  32:	c3                   	ret
  33:	66 90                	xchg   %ax,%ax
  35:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  39:	e9 07 1c 00 00       	jmp    0x1c45
  3e:	0f                   	.byte 0xf
  3f:	1f                   	(bad)

Code starting with the faulting instruction
===========================================
   0:	0f b6 07             	movzbl (%rdi),%eax
   3:	3c 07                	cmp    $0x7,%al
   5:	0f 96 c0             	setbe  %al
   8:	c3                   	ret
   9:	66 90                	xchg   %ax,%ax
   b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   f:	e9 07 1c 00 00       	jmp    0x1c1b
  14:	0f                   	.byte 0xf
  15:	1f                   	(bad)
[  433.434577][ T3831] RSP: 0018:ffffc90009297518 EFLAGS: 00010086
[  433.434795][ T3831] RAX: dffffc0000000000 RBX: 0000000000001000 RCX: 0000000000000000
[  433.435057][ T3831] RDX: 0000000000000000 RSI: ffffffff9182d78b RDI: dffffc0000000003
[  433.435317][ T3831] RBP: 0000000000000019 R08: 0000000000000001 R09: 0000000000000000
[  433.435582][ T3831] R10: ffffffff8fed38bc R11: ffff88800c302d90 R12: 0000000000000000
[  433.435844][ T3831] R13: ffffffff9182d78b R14: 0000000000000000 R15: 0000000000000019
[  433.436099][ T3831] FS:  00007f232fb85800(0000) GS:ffff8880d9018000(0000) knlGS:0000000000000000
[  433.436404][ T3831] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  433.436622][ T3831] CR2: 00007f232fcb99b0 CR3: 000000000c9ef004 CR4: 0000000000772ef0
[  433.436879][ T3831] PKRU: 55555554
[  433.437012][ T3831] Call Trace:
[  433.437141][ T3831]  <TASK>
[  433.437230][ T3831]  __kasan_check_byte (mm/kasan/common.c:575)
[  433.437412][ T3831]  lock_acquire.part.0 (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5844)
[  433.437590][ T3831]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  433.437770][ T3831]  ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
[  433.437943][ T3831]  _raw_spin_lock_irq (./include/linux/spinlock_api_smp.h:120 kernel/locking/spinlock.c:170)
[  433.438118][ T3831]  ? iomap_read_end (fs/iomap/buffered-io.c:459)
[  433.438294][ T3831]  iomap_read_end (fs/iomap/buffered-io.c:459)
[  433.438468][ T3831]  iomap_readahead (fs/iomap/buffered-io.c:624)
[  433.438645][ T3831]  ? iomap_readahead_iter (fs/iomap/buffered-io.c:624)
[  433.438815][ T3831]  ? finish_task_switch.isra.0 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/sched/sched.h:1570 kernel/sched/core.c:4995 kernel/sched/core.c:5112)
[  433.439034][ T3831]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  433.439212][ T3831]  fuse_readahead (fs/fuse/file.c:1056)
[  433.439383][ T3831]  ? fuse_read_folio (fs/fuse/file.c:1056)
[  433.439561][ T3831]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  433.439735][ T3831]  read_pages (./include/linux/pagemap.h:1420 ./include/linux/pagemap.h:1444 mm/readahead.c:165)
[  433.439869][ T3831]  ? const_folio_flags.constprop.0 (arch/x86/kvm/../../../virt/kvm/guest_memfd.c:208)
[  433.440083][ T3831]  page_cache_ra_unbounded (./include/linux/fs.h:1104 mm/readahead.c:303)
[  433.440265][ T3831]  ? page_cache_ra_order (./include/trace/events/readahead.h:43 mm/readahead.c:478)
[  433.440446][ T3831]  filemap_fault (mm/filemap.c:3533)
[  433.440623][ T3831]  ? read_cache_page_gfp (mm/filemap.c:3493)
[  433.440796][ T3831]  ? do_fault_around (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 mm/memory.c:5677)
[  433.440973][ T3831]  __do_fault (mm/memory.c:5281)
[  433.441106][ T3831]  do_read_fault (mm/memory.c:5716)
[  433.441279][ T3831]  do_pte_missing (mm/memory.c:5850 mm/memory.c:4362)
[  433.441448][ T3831]  handle_pte_fault (mm/memory.c:6234)
[  433.441622][ T3831]  ? do_pte_missing (mm/memory.c:6191)
[  433.441796][ T3831]  ? pgd_bad (./arch/x86/include/asm/pgtable.h:1156)
[  433.441928][ T3831]  __handle_mm_fault (mm/memory.c:6366)
[  433.442097][ T3831]  ? __pmd_alloc (mm/memory.c:6274)
[  433.442268][ T3831]  ? lock_vma_under_rcu (mm/mmap_lock.c:260)
[  433.442544][ T3831]  handle_mm_fault (mm/memory.c:6547)
[  433.442714][ T3831]  ? __handle_mm_fault (mm/memory.c:6502)
[  433.442882][ T3831]  ? user_statfs (fs/statfs.c:191)
[  433.443053][ T3831]  do_user_addr_fault (arch/x86/mm/fault.c:1337)
[  433.443331][ T3831]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  433.443500][ T3831]  exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532)
[  433.443668][ T3831]  asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:618)
[  433.443837][ T3831] RIP: 0033:0x7f232fcb99b0
[  433.444124][ T3831] Code: Unable to access opcode bytes at 0x7f232fcb9986.

Code starting with the faulting instruction
===========================================
[  433.444343][ T3831] RSP: 002b:00007ffe11920238 EFLAGS: 00010246
[  433.444557][ T3831] RAX: 0000000000000000 RBX: 00007f232ff07870 RCX: 00007f232fd40adb
[  433.444923][ T3831] RDX: fffffffffffffeb0 RSI: 00007f232feff074 RDI: 00007f232feff295
[  433.445179][ T3831] RBP: 0000000000000008 R08: 0000000000000000 R09: 00000000069682ac
[  433.445437][ T3831] R10: fffffffffffffeb0 R11: 0000000000000246 R12: 00007ffe11920378


Finger prints:
kasan_byte_accessible:__kasan_check_byte:_raw_spin_lock_irq:iomap_read_end:iomap_readahead