Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:32293' (ECDSA) to the list of known hosts. 2023/05/17 10:14:48 fuzzer started 2023/05/17 10:14:48 dialing manager at localhost:35573 2023/05/17 10:14:48 checking machine... 2023/05/17 10:14:48 checking revisions... syzkaller login: [ 38.648660] kmemleak: Automatic memory scanning thread ended 2023/05/17 10:14:48 testing simple program... [ 38.701156] cgroup: Unknown subsys name 'net' [ 38.796065] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.069383] audit: type=1400 audit(1684318502.394:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 53.178034] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.185081] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.188029] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.201004] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.209568] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.217627] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 53.545066] ------------[ cut here ]------------ [ 53.545690] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.547798] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.552958] Modules linked in: [ 53.553712] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.555865] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.558055] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.559302] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 53.565613] RSP: 0018:ffff88801596fc00 EFLAGS: 00010282 [ 53.566062] RAX: 0000000000000000 RBX: ffff88800ef11440 RCX: 0000000000000000 [ 53.566612] RDX: ffff88800f448000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.567180] RBP: ffff88800ef11454 R08: 0000000000000001 R09: 0000000000000000 [ 53.567737] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.568312] R13: ffffffff84e223a0 R14: ffff88800ef11448 R15: ffffffff84d73340 [ 53.576967] FS: 0000555556897400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.577590] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.578078] CR2: 00007f6228c686f4 CR3: 000000000f5c4000 CR4: 0000000000350ef0 [ 53.578656] Call Trace: [ 53.578903] [ 53.579110] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.579527] ipv4_frags_init_net+0x269/0x440 [ 53.579914] ops_init+0xbb/0x6b0 [ 53.580209] setup_net+0x3d9/0x990 [ 53.580506] ? down_read_killable+0x1d7/0x4e0 [ 53.580911] ? __pfx_setup_net+0x10/0x10 [ 53.581243] ? copy_net_ns+0x17c/0x770 [ 53.581583] copy_net_ns+0x321/0x770 [ 53.581933] create_new_namespaces+0x3f6/0xb30 [ 53.582323] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.582721] ksys_unshare+0x44d/0x8e0 [ 53.583070] ? __pfx_ksys_unshare+0x10/0x10 [ 53.583434] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.583935] __x64_sys_unshare+0x31/0x40 [ 53.584279] do_syscall_64+0x3f/0x90 [ 53.584595] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.585062] RIP: 0033:0x7f15c84320d7 [ 53.585370] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 53.586774] RSP: 002b:00007ffdc5f626c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.587370] RAX: ffffffffffffffda RBX: 00007ffdc5f62d08 RCX: 00007f15c84320d7 [ 53.587951] RDX: 00007f15c849c41f RSI: 00007ffdc5f62660 RDI: 0000000040000000 [ 53.588508] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdc5f62470 [ 53.605186] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f15c8544bf0 [ 53.605699] R13: 00007ffdc5f627a0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.606235] [ 53.606414] irq event stamp: 7597 [ 53.606660] hardirqs last enabled at (7607): [] __up_console_sem+0x78/0x80 [ 53.607274] hardirqs last disabled at (7618): [] __up_console_sem+0x5d/0x80 [ 53.607891] softirqs last enabled at (7560): [] irq_exit_rcu+0x93/0xc0 [ 53.608476] softirqs last disabled at (7555): [] irq_exit_rcu+0x93/0xc0 [ 53.609091] ---[ end trace 0000000000000000 ]--- [ 53.613346] ------------[ cut here ]------------ [ 53.613696] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.614737] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.615367] Modules linked in: [ 53.615607] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.616290] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.624966] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.625386] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 53.626778] RSP: 0018:ffff88801596fc00 EFLAGS: 00010282 [ 53.627202] RAX: 0000000000000000 RBX: ffff888013732e40 RCX: 0000000000000000 [ 53.627776] RDX: ffff88800f448000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.628316] RBP: ffff888013732e54 R08: 0000000000000001 R09: 0000000000000000 [ 53.628883] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.629430] R13: ffffffff84e223a0 R14: ffff888013732e48 R15: ffffffff84da62e0 [ 53.630024] FS: 0000555556897400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.630643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.631129] CR2: 00007f6228c686f4 CR3: 000000000f5c4000 CR4: 0000000000350ef0 [ 53.631687] Call Trace: [ 53.631930] [ 53.632127] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.632517] ipv6_frags_init_net+0x206/0x3c0 [ 53.632916] ops_init+0xbb/0x6b0 [ 53.633239] setup_net+0x3d9/0x990 [ 53.633573] ? down_read_killable+0x1d7/0x4e0 [ 53.634029] ? __pfx_setup_net+0x10/0x10 [ 53.634402] ? copy_net_ns+0x17c/0x770 [ 53.634813] copy_net_ns+0x321/0x770 [ 53.635173] create_new_namespaces+0x3f6/0xb30 [ 53.635615] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.636107] ksys_unshare+0x44d/0x8e0 [ 53.636483] ? __pfx_ksys_unshare+0x10/0x10 [ 53.637934] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.638473] __x64_sys_unshare+0x31/0x40 [ 53.638901] do_syscall_64+0x3f/0x90 [ 53.639256] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.639731] RIP: 0033:0x7f15c84320d7 [ 53.640112] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 53.641589] RSP: 002b:00007ffdc5f626c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.642194] RAX: ffffffffffffffda RBX: 00007ffdc5f62d08 RCX: 00007f15c84320d7 [ 53.642737] RDX: 00007f15c849c41f RSI: 00007ffdc5f62660 RDI: 0000000040000000 [ 53.643298] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdc5f62470 [ 53.643873] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f15c8544bf0 [ 53.644420] R13: 00007ffdc5f627a0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.645075] [ 53.645271] irq event stamp: 9185 [ 53.645550] hardirqs last enabled at (9195): [] __up_console_sem+0x78/0x80 [ 53.646242] hardirqs last disabled at (9206): [] __up_console_sem+0x5d/0x80 [ 53.646932] softirqs last enabled at (9170): [] irq_exit_rcu+0x93/0xc0 [ 53.647575] softirqs last disabled at (9159): [] irq_exit_rcu+0x93/0xc0 [ 53.648241] ---[ end trace 0000000000000000 ]--- [ 53.649492] ------------[ cut here ]------------ [ 53.649903] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.651178] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.651867] Modules linked in: [ 53.652134] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.652893] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.653519] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.653956] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 53.655323] RSP: 0018:ffff88801596fbf0 EFLAGS: 00010286 [ 53.655773] RAX: 0000000000000000 RBX: ffff888015b37c40 RCX: 0000000000000000 [ 53.656323] RDX: ffff88800f448000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.656915] RBP: ffff888015b37c54 R08: 0000000000000001 R09: 0000000000000000 [ 53.657466] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.658056] R13: ffffffff84e223a0 R14: ffff888015b37c48 R15: ffffffff84daf020 [ 53.658611] FS: 0000555556897400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.659262] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.659723] CR2: 00007f6228c686f4 CR3: 000000000f5c4000 CR4: 0000000000350ef0 [ 53.660300] Call Trace: [ 53.660514] [ 53.660718] nf_ct_net_init+0x224/0x3d0 [ 53.661178] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.661603] ops_init+0xbb/0x6b0 [ 53.661974] setup_net+0x3d9/0x990 [ 53.662314] ? down_read_killable+0x1d7/0x4e0 [ 53.662777] ? __pfx_setup_net+0x10/0x10 [ 53.663164] ? copy_net_ns+0x17c/0x770 [ 53.663548] copy_net_ns+0x321/0x770 [ 53.663938] create_new_namespaces+0x3f6/0xb30 [ 53.664378] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.664896] ksys_unshare+0x44d/0x8e0 [ 53.665247] ? __pfx_ksys_unshare+0x10/0x10 [ 53.665618] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.666145] __x64_sys_unshare+0x31/0x40 [ 53.666501] do_syscall_64+0x3f/0x90 [ 53.666856] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.667275] RIP: 0033:0x7f15c84320d7 [ 53.667588] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 53.669016] RSP: 002b:00007ffdc5f626c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.669646] RAX: ffffffffffffffda RBX: 00007ffdc5f62d08 RCX: 00007f15c84320d7 [ 53.670262] RDX: 00007f15c849c41f RSI: 00007ffdc5f62660 RDI: 0000000040000000 [ 53.670890] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdc5f62470 [ 53.671485] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f15c8544bf0 [ 53.672097] R13: 00007ffdc5f627a0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.672693] [ 53.673035] irq event stamp: 9987 [ 53.673311] hardirqs last enabled at (9997): [] __up_console_sem+0x78/0x80 [ 53.673998] hardirqs last disabled at (10008): [] __up_console_sem+0x5d/0x80 [ 53.674667] softirqs last enabled at (9898): [] irq_exit_rcu+0x93/0xc0 [ 53.675328] softirqs last disabled at (9893): [] irq_exit_rcu+0x93/0xc0 [ 53.675983] ---[ end trace 0000000000000000 ]--- [ 55.261455] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.309430] Bluetooth: hci0: command 0x041b tx timeout [ 59.356959] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.404915] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 10:15:02 Registers: info registers vcpu 0 RAX=000000000000000a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801596f660 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=000000000000000a R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000555556897400 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6228c686f4 CR3=000000000f5c4000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=0000000000000000000000000000ff00 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000020653 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f305a219410 CR3=0000000016a2e000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=2033303a35313a30312037312079614d XMM01=5d3230333935352e33352020205b203a XMM02=65203163203834203830203334206238 XMM03=20303020666120353820663020303020 XMM04=38652039382038342030322034312036 XMM05=20383420386520393820383420623020 XMM06=20386520343820326520343220303220 XMM07=34203965203938206334203331206238 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000