RAX: ffffffffffffffda RBX: 00007f8560711c90 RCX: 0000000000458da9
RDX: 00000000200000c0 RSI: 0000000000005423 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85607126d4
R13: 00000000004c3215 R14: 00000000004d65a8 R15: 0000000000000004
BUG: unable to handle kernel paging request at fffffffffffffff4
kobject: 'loop2' (000000002162cd81): kobject_uevent_env
PGD 8670067 P4D 8670067 PUD 8672067 PMD 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 2528 Comm: syz-executor.1 Not tainted 4.19.37 #5
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:slhc_free+0x31/0xb0 drivers/net/slip/slhc.c:159
Code: 54 49 89 fc e8 a0 e5 27 fd 4d 85 e4 74 77 e8 96 e5 27 fd 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 6d <4d> 8b 2c 24 4d 85 ed 74 0d e8 71 e5 27 fd 4c 89 ef e8 c9 1a 5e fd
RSP: 0018:ffff8880887d7a48 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: fffffffffffffff4 RCX: ffffc90008098000
RDX: 1ffffffffffffffe RSI: ffffffff844361ea RDI: fffffffffffffff4
RBP: ffff8880887d7a58 R08: ffff888051084440 R09: ffff888051084d30
R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff4
overlayfs: failed to resolve '0Gé±f': -2
R13: ffff8880521cb340 R14: 00000000ffffff97 R15: ffff8880820b4600
FS: 00007f8560712700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff4 CR3: 00000000a83e8000 CR4: 00000000001406e0
Call Trace:
kobject: 'loop2' (000000002162cd81): fill_kobj_path: path = '/devices/virtual/block/loop2'
sl_alloc_bufs drivers/net/slip/slip.c:197 [inline]
slip_open+0xe16/0x1138 drivers/net/slip/slip.c:822
tty_ldisc_open.isra.0+0x8b/0xe0 drivers/tty/tty_ldisc.c:462
tty_set_ldisc+0x2e3/0x6a0 drivers/tty/tty_ldisc.c:587
tiocsetd drivers/tty/tty_io.c:2359 [inline]
tty_ioctl+0x66a/0x1530 drivers/tty/tty_io.c:2603
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:501 [inline]
do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:688
ksys_ioctl+0xab/0xd0 fs/ioctl.c:705
__do_sys_ioctl fs/ioctl.c:712 [inline]
__se_sys_ioctl fs/ioctl.c:710 [inline]
__x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:710
do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458da9
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f8560711c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f8560711c90 RCX: 0000000000458da9
RDX: 00000000200000c0 RSI: 0000000000005423 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85607126d4
R13: 00000000004c3215 R14: 00000000004d65a8 R15: 0000000000000004
Modules linked in:
CR2: fffffffffffffff4
---[ end trace 164e269433f26a58 ]---
RIP: 0010:slhc_free+0x31/0xb0 drivers/net/slip/slhc.c:159
Code: 54 49 89 fc e8 a0 e5 27 fd 4d 85 e4 74 77 e8 96 e5 27 fd 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 6d <4d> 8b 2c 24 4d 85 ed 74 0d e8 71 e5 27 fd 4c 89 ef e8 c9 1a 5e fd
RSP: 0018:ffff8880887d7a48 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: fffffffffffffff4 RCX: ffffc90008098000
RDX: 1ffffffffffffffe RSI: ffffffff844361ea RDI: fffffffffffffff4
RBP: ffff8880887d7a58 R08: ffff888051084440 R09: ffff888051084d30
R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff4
R13: ffff8880521cb340 R14: 00000000ffffff97 R15: ffff8880820b4600
FS: 00007f8560712700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff4 CR3: 00000000a83e8000 CR4: 00000000001406e0