general protection fault, probably for non-canonical address 0xdffffc0000000070: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000380-0x0000000000000387]
CPU: 0 PID: 23453 Comm: syz-executor.3 Not tainted 6.0.0-rc3-syzkaller-00630-g9837ec955b46 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
RIP: 0010:rose_send_frame+0x1dd/0x2f0 net/rose/rose_link.c:101
Code: 48 c1 ea 03 80 3c 02 00 0f 85 06 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 6b 20 48 8d bd 80 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ea 00 00 00 4c 8b bd 80 03 00 00 e9 77 fe ff ff
RSP: 0018:ffffc90000007b00 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88814aa84800 RCX: 0000000000000100
RDX: 0000000000000070 RSI: ffffffff884ecce2 RDI: 0000000000000380
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88814aa84800
R13: 0000000000000078 R14: ffff888027eb0c80 R15: 0000000000000010
FS: 00007f726dc89700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020173000 CR3: 000000002f198000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rose_transmit_clear_request+0x1d5/0x290 net/rose/rose_link.c:255
rose_rx_call_request+0x4c0/0x1bc0 net/rose/af_rose.c:1009
rose_loopback_timer+0x19e/0x590 net/rose/rose_loopback.c:111
call_timer_fn+0x1a0/0x6b0 kernel/time/timer.c:1474
expire_timers kernel/time/timer.c:1519 [inline]
__run_timers.part.0+0x674/0xa80 kernel/time/timer.c:1790
__run_timers kernel/time/timer.c:1768 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803
__do_softirq+0x1d3/0x9c6 kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:lock_acquire+0x1ef/0x570 kernel/locking/lockdep.c:5634
Code: f9 a2 7e 83 f8 01 0f 85 e8 02 00 00 9c 58 f6 c4 02 0f 85 fb 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc90013d5f6d0 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff920027abedc RCX: ffffffff815f29fe
RDX: 1ffff11003d508ae RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff908e39e7
R10: fffffbfff211c73c R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff888047f2af80 R15: 0000000000000000
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:349 [inline]
ext4_do_update_inode fs/ext4/inode.c:5129 [inline]
ext4_mark_iloc_dirty+0x205/0x1ce0 fs/ext4/inode.c:5741
__ext4_mark_inode_dirty+0x21b/0x8d0 fs/ext4/inode.c:5937
ext4_dirty_inode+0xd4/0x110 fs/ext4/inode.c:5966
__mark_inode_dirty+0x48b/0x1040 fs/fs-writeback.c:2381
mark_inode_dirty include/linux/fs.h:2462 [inline]
generic_write_end+0x350/0x440 fs/buffer.c:2199
ext4_da_write_end+0x16e/0x9a0 fs/ext4/inode.c:3089
generic_perform_write+0x306/0x560 mm/filemap.c:3749
ext4_buffered_write_iter+0x15b/0x460 fs/ext4/file.c:270
ext4_file_write_iter+0x44a/0x1660 fs/ext4/file.c:679
call_write_iter include/linux/fs.h:2187 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x9e9/0xdd0 fs/read_write.c:578
ksys_write+0x127/0x250 fs/read_write.c:631
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f726ca89279
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f726dc89168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f726cb9bf80 RCX: 00007f726ca89279
RDX: 00000000001a6de4 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007f726cae32e9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd8b44ee1f R14: 00007f726dc89300 R15: 0000000000022000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:rose_send_frame+0x1dd/0x2f0 net/rose/rose_link.c:101
Code: 48 c1 ea 03 80 3c 02 00 0f 85 06 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 6b 20 48 8d bd 80 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ea 00 00 00 4c 8b bd 80 03 00 00 e9 77 fe ff ff
RSP: 0018:ffffc90000007b00 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88814aa84800 RCX: 0000000000000100
RDX: 0000000000000070 RSI: ffffffff884ecce2 RDI: 0000000000000380
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88814aa84800
R13: 0000000000000078 R14: ffff888027eb0c80 R15: 0000000000000010
FS: 00007f726dc89700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020173000 CR3: 000000002f198000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 48 c1 ea 03 shr $0x3,%rdx
4: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
8: 0f 85 06 01 00 00 jne 0x114
e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
15: fc ff df
18: 48 8b 6b 20 mov 0x20(%rbx),%rbp
1c: 48 8d bd 80 03 00 00 lea 0x380(%rbp),%rdi
23: 48 89 fa mov %rdi,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 0f 85 ea 00 00 00 jne 0x11e
34: 4c 8b bd 80 03 00 00 mov 0x380(%rbp),%r15
3b: e9 77 fe ff ff jmpq 0xfffffeb7