Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 9023 Comm: syz.8.357 Not tainted 6.14.0-rc1-syzkaller-00181-g7ee983c850b4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:dst_dev_put+0x27/0x290 net/core/dst.c:146
Code: 90 90 90 f3 0f 1e fa 55 41 57 41 56 41 55 41 54 53 49 89 fd 49 bf 00 00 00 00 00 fc ff df e8 90 8e 05 f8 4d 89 ec 49 c1 ec 03 <43> 80 3c 3c 00 74 08 4c 89 ef e8 1a a0 69 f8 4d 8b 75 00 49 8d 7d
RSP: 0018:ffffc90000007b38 EFLAGS: 00010246
RAX: ffffffff89b9cf30 RBX: 0000000000000002 RCX: ffff8880602c1e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffffffff1c6004a R08: ffffffff8a625889 R09: 1ffff1100bbb20c0
R10: dffffc0000000000 R11: ffffed100bbb20c1 R12: 0000000000000000
R13: 0000000000000002 R14: 00000000fffffff8 R15: dffffc0000000000
FS:  00007fbd062886c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055bc1e157131 CR3: 0000000060a18000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rt_fibinfo_free_cpus net/ipv4/fib_semantics.c:201 [inline]
 fib_nh_common_release+0x1fc/0x420 net/ipv4/fib_semantics.c:212
 fib6_info_destroy_rcu+0xc0/0x1b0 net/ipv6/ip6_fib.c:177
 rcu_do_batch kernel/rcu/tree.c:2546 [inline]
 rcu_core+0xaaa/0x17a0 kernel/rcu/tree.c:2802
 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0x996/0xeb0
Code: 48 21 c3 0f 85 16 02 00 00 e8 06 8e 20 00 4c 8b 7c 24 10 4d 85 f6 75 07 e8 f7 8d 20 00 eb 06 e8 f0 8d 20 00 fb 48 8b 5c 24 18 <48> 8b 44 24 30 42 80 3c 28 00 74 08 48 89 df e8 76 9f 84 00 4c 8b
RSP: 0018:ffffc90003306b80 EFLAGS: 00000283
RAX: ffffffff819ecfd0 RBX: ffffffff8f172958 RCX: 0000000000080000
RDX: ffffc90004301000 RSI: 00000000000081a0 RDI: 00000000000081a1
RBP: ffffc90003306d30 R08: ffffffff819ecfa7 R09: 1ffffffff2858d08
R10: dffffc0000000000 R11: fffffbfff2858d09 R12: ffffffff8f172900
R13: dffffc0000000000 R14: 0000000000000200 R15: ffffc90003306d80
 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline]
 console_unlock+0x14f/0x3b0 kernel/printk/printk.c:3309
 vprintk_emit+0x730/0xa10 kernel/printk/printk.c:2432
 _printk+0xd5/0x120 kernel/printk/printk.c:2457
 f2fs_printk+0x3e1/0x470
 __time_to_inject fs/f2fs/f2fs.h:1883 [inline]
 f2fs_write_end_io+0x1d6/0x9a0 fs/f2fs/data.c:328
 __submit_merged_bio+0x2a9/0x710 fs/f2fs/data.c:531
 __f2fs_submit_merged_write fs/f2fs/data.c:627 [inline]
 __submit_merged_write_cond fs/f2fs/data.c:649 [inline]
 f2fs_submit_merged_write_cond+0x28a/0x360 fs/f2fs/data.c:666
 f2fs_write_cache_pages fs/f2fs/data.c:3224 [inline]
 __f2fs_write_data_pages fs/f2fs/data.c:3309 [inline]
 f2fs_write_data_pages+0x2c5e/0x3670 fs/f2fs/data.c:3336
 do_writepages+0x35f/0x880 mm/page-writeback.c:2687
 filemap_fdatawrite_wbc mm/filemap.c:389 [inline]
 __filemap_fdatawrite_range mm/filemap.c:422 [inline]
 filemap_write_and_wait_range+0x283/0x3a0 mm/filemap.c:694
 f2fs_symlink+0x676/0x960 fs/f2fs/namei.c:667
 vfs_symlink+0x137/0x2e0 fs/namei.c:4671
 do_symlinkat+0x222/0x3a0 fs/namei.c:4697
 __do_sys_symlink fs/namei.c:4718 [inline]
 __se_sys_symlink fs/namei.c:4716 [inline]
 __x64_sys_symlink+0x7a/0x90 fs/namei.c:4716
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbd0538cde9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbd06288038 EFLAGS: 00000246 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 00007fbd055a5fa0 RCX: 00007fbd0538cde9
RDX: 0000000000000000 RSI: 0000400000000100 RDI: 00004000000000c0
RBP: 00007fbd0540e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbd055a5fa0 R15: 00007fffaca41778
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dst_dev_put+0x27/0x290 net/core/dst.c:146
Code: 90 90 90 f3 0f 1e fa 55 41 57 41 56 41 55 41 54 53 49 89 fd 49 bf 00 00 00 00 00 fc ff df e8 90 8e 05 f8 4d 89 ec 49 c1 ec 03 <43> 80 3c 3c 00 74 08 4c 89 ef e8 1a a0 69 f8 4d 8b 75 00 49 8d 7d
RSP: 0018:ffffc90000007b38 EFLAGS: 00010246
RAX: ffffffff89b9cf30 RBX: 0000000000000002 RCX: ffff8880602c1e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffffffff1c6004a R08: ffffffff8a625889 R09: 1ffff1100bbb20c0
R10: dffffc0000000000 R11: ffffed100bbb20c1 R12: 0000000000000000
R13: 0000000000000002 R14: 00000000fffffff8 R15: dffffc0000000000
FS:  00007fbd062886c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055bc1e157131 CR3: 0000000060a18000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	90                   	nop
   2:	90                   	nop
   3:	f3 0f 1e fa          	endbr64
   7:	55                   	push   %rbp
   8:	41 57                	push   %r15
   a:	41 56                	push   %r14
   c:	41 55                	push   %r13
   e:	41 54                	push   %r12
  10:	53                   	push   %rbx
  11:	49 89 fd             	mov    %rdi,%r13
  14:	49 bf 00 00 00 00 00 	movabs $0xdffffc0000000000,%r15
  1b:	fc ff df
  1e:	e8 90 8e 05 f8       	call   0xf8058eb3
  23:	4d 89 ec             	mov    %r13,%r12
  26:	49 c1 ec 03          	shr    $0x3,%r12
* 2a:	43 80 3c 3c 00       	cmpb   $0x0,(%r12,%r15,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 ef             	mov    %r13,%rdi
  34:	e8 1a a0 69 f8       	call   0xf869a053
  39:	4d 8b 75 00          	mov    0x0(%r13),%r14
  3d:	49                   	rex.WB
  3e:	8d                   	.byte 0x8d
  3f:	7d                   	.byte 0x7d