program: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$XFS_IOC_PATH_TO_FSHANDLE(r0, 0xc0385868, 0x0) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000340)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, {'syz', 0x0, '0\x00'}, @uuid={'CRP-syz', 0x0, '1\x00'}}}) ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f0000001280)={0x4, 0x0, 0x0, 0x1b8, 0x138, 0x1, 0x0, 0x1400, 0x0, 0x0, @by_name={0x0, {'syz', 0x0, '0\x00'}}, [@cache={0x0, 0x3fffffffffffff, 0x0, 0x80, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, '512', 0x20, '1 writeback', 0x20, 'cleaner 0'}}]}) [ 94.558070][ T4662] Bluetooth: hci0: command tx timeout [ 94.731656][ T5339] Oops: divide error: 0000 [#1] SMP KASAN NOPTI [ 94.734061][ T5339] CPU: 0 UID: 0 PID: 5339 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 94.737556][ T5339] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 94.741609][ T5339] RIP: 0010:cache_ctr+0x1a86/0x2bf0 [ 94.743957][ T5339] Code: 4c 8b 30 31 ff 4c 89 f6 e8 f7 19 03 f9 4d 85 f6 0f 84 81 00 00 00 4c 89 f3 48 c1 eb 20 45 89 ec 48 85 db 74 0a 4c 89 f0 31 d2 <49> f7 f4 eb 08 44 89 f0 31 d2 41 f7 f4 48 3d 00 40 00 00 76 14 4d [ 94.751685][ T5339] RSP: 0018:ffffc9000f7ff860 EFLAGS: 00010246 [ 94.754254][ T5339] RAX: 003fffffffffffff RBX: 00000000003fffff RCX: 0000000000100000 [ 94.757440][ T5339] RDX: 0000000000000000 RSI: 0000000000007c60 RDI: 0000000000007c61 [ 94.760639][ T5339] RBP: ffffc9000f7ffa38 R08: ffffc90000f38007 R09: 0000000000000000 [ 94.763803][ T5339] R10: ffffc90000f38000 R11: fffff520001e7001 R12: 0000000000000000 [ 94.767130][ T5339] R13: 0000000100000000 R14: 003fffffffffffff R15: 1ffff11007762062 [ 94.770739][ T5339] FS: 00007fe9e95366c0(0000) GS:ffff88808a9fa000(0000) knlGS:0000000000000000 [ 94.774452][ T5339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.777184][ T5339] CR2: 00007fe9e935d9d0 CR3: 00000000140bb000 CR4: 0000000000352ef0 [ 94.780480][ T5339] Call Trace: [ 94.781940][ T5339] [ 94.783080][ T5339] ? __pfx_cache_ctr+0x10/0x10 [ 94.784908][ T5339] ? skip_spaces+0x8a/0xa0 [ 94.788228][ T5339] dm_table_add_target+0x58d/0xc70 [ 94.790432][ T5339] table_load+0x325/0x8a0 [ 94.792227][ T5339] ? __pfx_table_load+0x10/0x10 [ 94.794235][ T5339] ? __might_fault+0xaf/0x130 [ 94.797399][ T5339] dm_ctl_ioctl+0x9ec/0xe10 [ 94.799311][ T5339] ? __pfx_table_load+0x10/0x10 [ 94.801407][ T5339] ? __pfx_dm_ctl_ioctl+0x10/0x10 [ 94.803559][ T5339] ? __fget_files+0x2a/0x420 [ 94.805718][ T5339] ? bpf_lsm_file_ioctl+0x9/0x20 [ 94.807909][ T5339] ? __pfx_dm_ctl_ioctl+0x10/0x10 [ 94.809952][ T5339] __se_sys_ioctl+0xfc/0x170 [ 94.811737][ T5339] do_syscall_64+0x166/0x520 [ 94.815577][ T5339] ? trace_irq_disable+0x3b/0x140 [ 94.818184][ T5339] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.820894][ T5339] ? clear_bhb_loop+0x70/0xc0 [ 94.823070][ T5339] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.825476][ T5339] RIP: 0033:0x7fe9e859fb19 [ 94.827377][ T5339] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 94.835337][ T5339] RSP: 002b:00007fe9e9535fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 94.838901][ T5339] RAX: ffffffffffffffda RBX: 00007fe9e8825fa0 RCX: 00007fe9e859fb19 [ 94.842116][ T5339] RDX: 0000200000001280 RSI: 00000000c138fd09 RDI: 0000000000000003 [ 94.845623][ T5339] RBP: 00007fe9e8637b70 R08: 0000000000000000 R09: 0000000000000000 [ 94.848952][ T5339] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 94.852451][ T5339] R13: 00007fe9e8826038 R14: 00007fe9e8825fa0 R15: 00007fffc0152df8 [ 94.855934][ T5339] [ 94.861483][ T5339] Modules linked in: [ 94.866236][ T5339] ---[ end trace 0000000000000000 ]--- [ 94.899924][ T5339] RIP: 0010:cache_ctr+0x1a86/0x2bf0 [ 94.900440][ T5339] Code: 4c 8b 30 31 ff 4c 89 f6 e8 f7 19 03 f9 4d 85 f6 0f 84 81 00 00 00 4c 89 f3 48 c1 eb 20 45 89 ec 48 85 db 74 0a 4c 89 f0 31 d2 <49> f7 f4 eb 08 44 89 f0 31 d2 41 f7 f4 48 3d 00 40 00 00 76 14 4d [ 94.900465][ T5339] RSP: 0018:ffffc9000f7ff860 EFLAGS: 00010246 [ 94.900489][ T5339] RAX: 003fffffffffffff RBX: 00000000003fffff RCX: 0000000000100000 [ 94.900498][ T5339] RDX: 0000000000000000 RSI: 0000000000007c60 RDI: 0000000000007c61 [ 94.900505][ T5339] RBP: ffffc9000f7ffa38 R08: ffffc90000f38007 R09: 0000000000000000 [ 94.900513][ T5339] R10: ffffc90000f38000 R11: fffff520001e7001 R12: 0000000000000000 [ 94.900521][ T5339] R13: 0000000100000000 R14: 003fffffffffffff R15: 1ffff11007762062 [ 94.900528][ T5339] FS: 00007fe9e95366c0(0000) GS:ffff88808a9fa000(0000) knlGS:0000000000000000 [ 94.900537][ T5339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.900544][ T5339] CR2: 00007fe9e87fb6b8 CR3: 00000000140bb000 CR4: 0000000000352ef0 [ 94.900701][ T5339] Kernel panic - not syncing: Fatal exception [ 94.943465][ T5339] Kernel Offset: disabled [ 94.945465][ T5339] Rebooting in 86400 seconds..