program: r0 = openat$dm_control(0xffffff9c, &(0x7f00000001c0), 0x80, 0x0) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000200)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, {'syz', 0x0, '1\x00'}}}) syslog(0x3, &(0x7f0000000000)=""/3, 0x3) r2 = socket$inet6(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="30000000200025a729bd7000fddbdf250a0000cdff0000010200010008000600000000000c00140024c6d43a8418dddf"], 0x30}, 0x1, 0x0, 0x0, 0x20008081}, 0x0) sendto$inet6(r2, &(0x7f0000000100)='s', 0x10a73, 0x800, 0x0, 0x4b6ae4f95a5de35b) ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f0000000540)={0x4, 0x0, 0x0, 0x228, 0x138, 0x1, 0x0, 0x80800, 0x0, 0x0, @by_dev={r1}, [@crypt={0x0, 0x3050, 0x0, 0xf0, 'crypt\x00', {'capi:rfc7539(chacha20,poly1305)-random', 0x20, @fixed='0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef', 0x20, '0', 0x20, {@ram={'/dev/ram', 0x1}, 0x20, '4096'}, ' 2 integrity:32:aead integrity_key_size:32'}}]}) [ 75.390119][ T4667] Bluetooth: hci0: command tx timeout [ 75.691297][ T5339] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI [ 75.696303][ T5339] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 75.699718][ T5339] CPU: 0 UID: 0 PID: 5339 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 75.703690][ T5339] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 75.707748][ T5339] RIP: 0010:crypt_setkey+0x1d7/0x980 [ 75.709866][ T5339] Code: 14 24 4c 8b b2 58 06 00 00 8b 5c 24 0c 29 eb 49 8d 7e 04 41 89 df 41 0f cf 48 89 f8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df <42> 0f b6 04 20 84 c0 0f 85 00 07 00 00 45 89 7e 04 4c 89 f0 48 c1 [ 75.717835][ T5339] RSP: 0018:ffffc9000faff670 EFLAGS: 00010247 [ 75.720494][ T5339] RAX: 0000000000000000 RBX: 0000000000000010 RCX: 0000000000100000 [ 75.723538][ T5339] RDX: ffff88800c1ed000 RSI: 00000000000012e4 RDI: 0000000000000004 [ 75.726915][ T5339] RBP: 0000000000000020 R08: ffff88800c1ed12f R09: 1ffff1100183da25 [ 75.730275][ T5339] R10: dffffc0000000000 R11: ffffed100183da26 R12: dffffc0000000000 [ 75.733551][ T5339] R13: ffff88800c1ed120 R14: 0000000000000000 R15: 0000000010000000 [ 75.736979][ T5339] FS: 00007fa06ef846c0(0000) GS:ffff88808ac1d000(0000) knlGS:0000000000000000 [ 75.740883][ T5339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.744081][ T5339] CR2: 00007fc14da04e9c CR3: 00000000444fa000 CR4: 0000000000352ef0 [ 75.747640][ T5339] Call Trace: [ 75.751891][ T5339] [ 75.753125][ T5339] ? kfree+0x4d/0x650 [ 75.754764][ T5339] ? hex2bin+0x1ab/0x1f0 [ 75.756505][ T5339] crypt_set_key+0x3a0/0x680 [ 75.758325][ T5339] crypt_ctr+0x2437/0x3c20 [ 75.760094][ T5339] ? __pfx_crypt_ctr+0x10/0x10 [ 75.761948][ T5339] ? rcu_is_watching+0x16/0xb0 [ 75.763858][ T5339] ? kfree+0x4d/0x650 [ 75.765451][ T5339] ? skip_spaces+0x8a/0xa0 [ 75.767249][ T5339] ? dm_split_args+0x4b0/0x5d0 [ 75.769251][ T5339] dm_table_add_target+0x58d/0xc70 [ 75.771386][ T5339] table_load+0x325/0x8a0 [ 75.773192][ T5339] ? __pfx_table_load+0x10/0x10 [ 75.775239][ T5339] dm_ctl_ioctl+0x9ec/0xe10 [ 75.777098][ T5339] ? __pfx_table_load+0x10/0x10 [ 75.779134][ T5339] ? __pfx_dm_ctl_ioctl+0x10/0x10 [ 75.781126][ T5339] ? __fget_files+0x2a/0x420 [ 75.783110][ T5339] ? bpf_lsm_file_ioctl+0x9/0x20 [ 75.785335][ T5339] ? __pfx_dm_ctl_ioctl+0x10/0x10 [ 75.787397][ T5339] __se_sys_ioctl+0xfc/0x170 [ 75.789270][ T5339] do_syscall_64+0x166/0x520 [ 75.791328][ T5339] ? trace_irq_disable+0x3b/0x140 [ 75.793507][ T5339] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.796112][ T5339] ? clear_bhb_loop+0x70/0xc0 [ 75.798106][ T5339] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.800534][ T5339] RIP: 0033:0x7fa06e19f559 [ 75.802427][ 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 [ 75.810486][ T5339] RSP: 002b:00007fa06ef83fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 75.814197][ T5339] RAX: ffffffffffffffda RBX: 00007fa06e425fa0 RCX: 00007fa06e19f559 [ 75.817633][ T5339] RDX: 0000200000000540 RSI: 00000000c138fd09 RDI: 0000000000000003 [ 75.820806][ T5339] RBP: 00007fa06e236b20 R08: 0000000000000000 R09: 0000000000000000 [ 75.824252][ T5339] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.827650][ T5339] R13: 00007fa06e426038 R14: 00007fa06e425fa0 R15: 00007ffefad36f58 [ 75.831076][ T5339] [ 75.832450][ T5339] Modules linked in: [ 75.835053][ T5339] ---[ end trace 0000000000000000 ]--- [ 75.863011][ T5339] RIP: 0010:crypt_setkey+0x1d7/0x980 [ 75.863037][ T5339] Code: 14 24 4c 8b b2 58 06 00 00 8b 5c 24 0c 29 eb 49 8d 7e 04 41 89 df 41 0f cf 48 89 f8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df <42> 0f b6 04 20 84 c0 0f 85 00 07 00 00 45 89 7e 04 4c 89 f0 48 c1 [ 75.863046][ T5339] RSP: 0018:ffffc9000faff670 EFLAGS: 00010247 [ 75.863057][ T5339] RAX: 0000000000000000 RBX: 0000000000000010 RCX: 0000000000100000 [ 75.863064][ T5339] RDX: ffff88800c1ed000 RSI: 00000000000012e4 RDI: 0000000000000004 [ 75.863071][ T5339] RBP: 0000000000000020 R08: ffff88800c1ed12f R09: 1ffff1100183da25 [ 75.863079][ T5339] R10: dffffc0000000000 R11: ffffed100183da26 R12: dffffc0000000000 [ 75.863086][ T5339] R13: ffff88800c1ed120 R14: 0000000000000000 R15: 0000000010000000 [ 75.863093][ T5339] FS: 00007fa06ef846c0(0000) GS:ffff88808ac1d000(0000) knlGS:0000000000000000 [ 75.863102][ T5339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.863109][ T5339] CR2: 00007efe12d5ecf0 CR3: 00000000444fa000 CR4: 0000000000352ef0 [ 75.863919][ T5339] Kernel panic - not syncing: Fatal exception [ 75.908338][ T5339] Kernel Offset: disabled [ 75.910243][ T5339] Rebooting in 86400 seconds..