[ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:52016' (ECDSA) to the list of known hosts. 2023/05/18 05:25:40 fuzzer started 2023/05/18 05:25:41 dialing manager at localhost:44319 2023/05/18 05:25:41 checking machine... 2023/05/18 05:25:41 checking revisions... syzkaller login: [ 29.255614] kmemleak: Automatic memory scanning thread ended 2023/05/18 05:25:41 testing simple program... [ 29.322123] cgroup: Unknown subsys name 'net' [ 29.416441] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 41.776506] audit: type=1400 audit(1684387553.903:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 42.896837] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.898390] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.900280] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.903593] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.905580] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 42.907498] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 43.286278] ------------[ cut here ]------------ [ 43.287522] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 43.289534] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 43.290696] Modules linked in: [ 43.291129] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 43.295706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.296731] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 43.297379] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 43.299584] RSP: 0018:ffff88801fd67c00 EFLAGS: 00010282 [ 43.300275] RAX: 0000000000000000 RBX: ffff88800ca63440 RCX: 0000000000000000 [ 43.301169] RDX: ffff8880158eb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 43.302083] RBP: ffff88800ca63454 R08: 0000000000000001 R09: 0000000000000000 [ 43.302983] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 43.303901] R13: ffffffff84e23fe0 R14: ffff88800ca63448 R15: ffffffff84d74dc0 [ 43.304806] FS: 0000555557171400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 43.305812] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.306530] CR2: 00007f82b69676f4 CR3: 000000002036c000 CR4: 0000000000350ef0 [ 43.307450] Call Trace: [ 43.307809] [ 43.308108] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 43.308764] ipv4_frags_init_net+0x269/0x440 [ 43.309325] ops_init+0xbb/0x6b0 [ 43.309817] setup_net+0x3d9/0x990 [ 43.310277] ? down_read_killable+0x1d7/0x4e0 [ 43.310885] ? __pfx_setup_net+0x10/0x10 [ 43.311421] ? copy_net_ns+0x17c/0x770 [ 43.311968] copy_net_ns+0x321/0x770 [ 43.312453] create_new_namespaces+0x3f6/0xb30 [ 43.313076] unshare_nsproxy_namespaces+0xc1/0x200 [ 43.313730] ksys_unshare+0x44d/0x8e0 [ 43.314225] ? __pfx_ksys_unshare+0x10/0x10 [ 43.314812] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 43.315538] __x64_sys_unshare+0x31/0x40 [ 43.316089] do_syscall_64+0x3f/0x90 [ 43.316573] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 43.317253] RIP: 0033:0x7ff0fab300d7 [ 43.317874] 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 [ 43.320094] RSP: 002b:00007ffc59a0c818 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 43.321060] RAX: ffffffffffffffda RBX: 00007ffc59a0ce58 RCX: 00007ff0fab300d7 [ 43.321954] RDX: 00007ff0fab9a41f RSI: 00007ffc59a0c7b0 RDI: 0000000040000000 [ 43.322856] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc59a0c5c0 [ 43.323785] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff0fac42bf0 [ 43.324642] R13: 00007ffc59a0c8f0 R14: 0000000000000000 R15: 00000000000000f8 [ 43.325566] [ 43.325911] irq event stamp: 8635 [ 43.326342] hardirqs last enabled at (8645): [] __up_console_sem+0x78/0x80 [ 43.327418] hardirqs last disabled at (8656): [] __up_console_sem+0x5d/0x80 [ 43.328482] softirqs last enabled at (8530): [] irq_exit_rcu+0x93/0xc0 [ 43.329526] softirqs last disabled at (8525): [] irq_exit_rcu+0x93/0xc0 [ 43.330567] ---[ end trace 0000000000000000 ]--- [ 43.336951] ------------[ cut here ]------------ [ 43.337546] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 43.339260] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 43.340358] Modules linked in: [ 43.340804] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 43.341990] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.343029] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 43.343736] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 43.345923] RSP: 0018:ffff88801fd67c00 EFLAGS: 00010282 [ 43.346581] RAX: 0000000000000000 RBX: ffff888015c42c40 RCX: 0000000000000000 [ 43.347494] RDX: ffff8880158eb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 43.348392] RBP: ffff888015c42c54 R08: 0000000000000001 R09: 0000000000000000 [ 43.349304] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 43.350195] R13: ffffffff84e23fe0 R14: ffff888015c42c48 R15: ffffffff84da7d60 [ 43.351118] FS: 0000555557171400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 43.352125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.352879] CR2: 00007f82b69676f4 CR3: 000000002036c000 CR4: 0000000000350ef0 [ 43.353781] Call Trace: [ 43.354110] [ 43.354407] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 43.355075] ipv6_frags_init_net+0x206/0x3c0 [ 43.355707] ops_init+0xbb/0x6b0 [ 43.356163] setup_net+0x3d9/0x990 [ 43.356617] ? down_read_killable+0x1d7/0x4e0 [ 43.357239] ? __pfx_setup_net+0x10/0x10 [ 43.357783] ? copy_net_ns+0x17c/0x770 [ 43.358300] copy_net_ns+0x321/0x770 [ 43.358826] create_new_namespaces+0x3f6/0xb30 [ 43.359417] unshare_nsproxy_namespaces+0xc1/0x200 [ 43.360069] ksys_unshare+0x44d/0x8e0 [ 43.360560] ? __pfx_ksys_unshare+0x10/0x10 [ 43.361139] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 43.361887] __x64_sys_unshare+0x31/0x40 [ 43.362409] do_syscall_64+0x3f/0x90 [ 43.362926] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 43.363583] RIP: 0033:0x7ff0fab300d7 [ 43.364081] 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 [ 43.366268] RSP: 002b:00007ffc59a0c818 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 43.367248] RAX: ffffffffffffffda RBX: 00007ffc59a0ce58 RCX: 00007ff0fab300d7 [ 43.368147] RDX: 00007ff0fab9a41f RSI: 00007ffc59a0c7b0 RDI: 0000000040000000 [ 43.369055] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc59a0c5c0 [ 43.369958] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff0fac42bf0 [ 43.370867] R13: 00007ffc59a0c8f0 R14: 0000000000000000 R15: 00000000000000f8 [ 43.371829] [ 43.372146] irq event stamp: 10845 [ 43.372583] hardirqs last enabled at (10855): [] __up_console_sem+0x78/0x80 [ 43.373685] hardirqs last disabled at (10868): [] __up_console_sem+0x5d/0x80 [ 43.374788] softirqs last enabled at (10340): [] irq_exit_rcu+0x93/0xc0 [ 43.375873] softirqs last disabled at (10315): [] irq_exit_rcu+0x93/0xc0 [ 43.376956] ---[ end trace 0000000000000000 ]--- [ 43.378329] ------------[ cut here ]------------ [ 43.378967] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 43.380943] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 43.382038] Modules linked in: [ 43.382432] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 43.383536] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.384489] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 43.385138] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 43.387215] RSP: 0018:ffff88801fd67bf0 EFLAGS: 00010286 [ 43.387893] RAX: 0000000000000000 RBX: ffff888015c42640 RCX: 0000000000000000 [ 43.388776] RDX: ffff8880158eb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 43.389631] RBP: ffff888015c42654 R08: 0000000000000001 R09: 0000000000000000 [ 43.390524] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 43.391422] R13: ffffffff84e23fe0 R14: ffff888015c42648 R15: ffffffff84db0aa0 [ 43.392312] FS: 0000555557171400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 43.393323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.394057] CR2: 00007f82b69676f4 CR3: 000000002036c000 CR4: 0000000000350ef0 [ 43.394955] Call Trace: [ 43.395300] [ 43.395607] nf_ct_net_init+0x224/0x3d0 [ 43.396172] ? __pfx_nf_ct_net_init+0x10/0x10 [ 43.396782] ops_init+0xbb/0x6b0 [ 43.397229] setup_net+0x3d9/0x990 [ 43.397720] ? down_read_killable+0x1d7/0x4e0 [ 43.398290] ? __pfx_setup_net+0x10/0x10 [ 43.398846] ? copy_net_ns+0x17c/0x770 [ 43.399380] copy_net_ns+0x321/0x770 [ 43.399907] create_new_namespaces+0x3f6/0xb30 [ 43.400501] unshare_nsproxy_namespaces+0xc1/0x200 [ 43.401153] ksys_unshare+0x44d/0x8e0 [ 43.401641] ? __pfx_ksys_unshare+0x10/0x10 [ 43.402230] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 43.402986] __x64_sys_unshare+0x31/0x40 [ 43.403522] do_syscall_64+0x3f/0x90 [ 43.404050] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 43.404719] RIP: 0033:0x7ff0fab300d7 [ 43.405185] 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 [ 43.407386] RSP: 002b:00007ffc59a0c818 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 43.408343] RAX: ffffffffffffffda RBX: 00007ffc59a0ce58 RCX: 00007ff0fab300d7 [ 43.409249] RDX: 00007ff0fab9a41f RSI: 00007ffc59a0c7b0 RDI: 0000000040000000 [ 43.410133] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc59a0c5c0 [ 43.411032] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff0fac42bf0 [ 43.411950] R13: 00007ffc59a0c8f0 R14: 0000000000000000 R15: 00000000000000f8 [ 43.412865] [ 43.413168] irq event stamp: 11651 [ 43.413598] hardirqs last enabled at (11661): [] __up_console_sem+0x78/0x80 [ 43.414685] hardirqs last disabled at (11674): [] __up_console_sem+0x5d/0x80 [ 43.415766] softirqs last enabled at (11424): [] irq_exit_rcu+0x93/0xc0 [ 43.416807] softirqs last disabled at (11419): [] irq_exit_rcu+0x93/0xc0 [ 43.417850] ---[ end trace 0000000000000000 ]--- executing program [ 44.982279] Bluetooth: hci0: command 0x0409 tx timeout [ 47.030737] Bluetooth: hci0: command 0x041b tx timeout executing program [ 49.077980] Bluetooth: hci0: command 0x040f tx timeout executing program [ 51.125746] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 05:25:55 Registers: info registers vcpu 0 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801fd675f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 0000555557171400 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=00007f82b69676f4 CR3=000000002036c000 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=00000000000216c7 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 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=00007fd2206e2a00 CR3=0000000015b8c000 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=00000000000000000000000000000000 XMM01=388c9603556053a9c247f968c5812df9 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=835d99a8c1a5eed9000000000013c370 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=ac723a213d336f1500000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000