Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:17470' (ECDSA) to the list of known hosts. 2023/05/16 17:23:24 fuzzer started 2023/05/16 17:23:24 dialing manager at localhost:35573 2023/05/16 17:23:24 checking machine... 2023/05/16 17:23:24 checking revisions... syzkaller login: [ 97.489277] kmemleak: Automatic memory scanning thread ended 2023/05/16 17:23:24 testing simple program... [ 97.564950] cgroup: Unknown subsys name 'net' [ 97.648197] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 109.511557] audit: type=1400 audit(1684257816.604:6): 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 [ 110.681056] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 110.682564] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 110.685534] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 110.688436] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 110.690147] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 110.693223] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 111.051353] ------------[ cut here ]------------ [ 111.052176] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 111.054217] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 111.055515] Modules linked in: [ 111.056049] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 111.060927] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 111.061952] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 111.062617] 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 [ 111.064865] RSP: 0018:ffff88801a0f7c00 EFLAGS: 00010282 [ 111.065530] RAX: 0000000000000000 RBX: ffff88800f5ddc40 RCX: 0000000000000000 [ 111.066447] RDX: ffff88800dc68000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 111.067381] RBP: ffff88800f5ddc54 R08: 0000000000000001 R09: 0000000000000000 [ 111.068276] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 111.069165] R13: ffffffff84e223a0 R14: ffff88800f5ddc48 R15: ffffffff84d73340 [ 111.070058] FS: 0000555555e2a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 111.071072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.071779] CR2: 000055e880186080 CR3: 0000000006932000 CR4: 0000000000350ef0 [ 111.072680] Call Trace: [ 111.073036] [ 111.073338] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 111.073978] ipv4_frags_init_net+0x269/0x440 [ 111.074539] ops_init+0xbb/0x6b0 [ 111.075026] setup_net+0x3d9/0x990 [ 111.075488] ? down_read_killable+0x1d7/0x4e0 [ 111.076100] ? __pfx_setup_net+0x10/0x10 [ 111.076613] ? copy_net_ns+0x17c/0x770 [ 111.077146] copy_net_ns+0x321/0x770 [ 111.077632] create_new_namespaces+0x3f6/0xb30 [ 111.078258] unshare_nsproxy_namespaces+0xc1/0x200 [ 111.078932] ksys_unshare+0x44d/0x8e0 [ 111.079435] ? __pfx_ksys_unshare+0x10/0x10 [ 111.080013] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 111.080737] __x64_sys_unshare+0x31/0x40 [ 111.081288] do_syscall_64+0x3f/0x90 [ 111.081765] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 111.082442] RIP: 0033:0x7f92168a30d7 [ 111.082941] 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 [ 111.085144] RSP: 002b:00007ffc1f546a38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 111.086094] RAX: ffffffffffffffda RBX: 00007ffc1f547078 RCX: 00007f92168a30d7 [ 111.086999] RDX: 00007f921690d41f RSI: 00007ffc1f5469d0 RDI: 0000000040000000 [ 111.087904] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc1f5467e0 [ 111.088767] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f92169b5bf0 [ 111.089679] R13: 00007ffc1f546b10 R14: 0000000000000000 R15: 00000000000000f8 [ 111.090622] [ 111.090968] irq event stamp: 8347 [ 111.091412] hardirqs last enabled at (8357): [] __up_console_sem+0x78/0x80 [ 111.092489] hardirqs last disabled at (8368): [] __up_console_sem+0x5d/0x80 [ 111.093583] softirqs last enabled at (7846): [] irq_exit_rcu+0x93/0xc0 [ 111.094637] softirqs last disabled at (7841): [] irq_exit_rcu+0x93/0xc0 [ 111.095698] ---[ end trace 0000000000000000 ]--- [ 111.100670] ------------[ cut here ]------------ [ 111.101309] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 111.103086] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 111.104152] Modules linked in: [ 111.104563] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 111.105735] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 111.106766] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 111.107460] 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 [ 111.109688] RSP: 0018:ffff88801a0f7c00 EFLAGS: 00010282 [ 111.110389] RAX: 0000000000000000 RBX: ffff888009785240 RCX: 0000000000000000 [ 111.111301] RDX: ffff88800dc68000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 111.112199] RBP: ffff888009785254 R08: 0000000000000001 R09: 0000000000000000 [ 111.113103] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 111.113995] R13: ffffffff84e223a0 R14: ffff888009785248 R15: ffffffff84da62e0 [ 111.114894] FS: 0000555555e2a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 111.115917] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.116639] CR2: 000055e880186080 CR3: 0000000006932000 CR4: 0000000000350ef0 [ 111.117543] Call Trace: [ 111.117903] [ 111.118203] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 111.118859] ipv6_frags_init_net+0x206/0x3c0 [ 111.119444] ops_init+0xbb/0x6b0 [ 111.119924] setup_net+0x3d9/0x990 [ 111.120386] ? down_read_killable+0x1d7/0x4e0 [ 111.120980] ? __pfx_setup_net+0x10/0x10 [ 111.121496] ? copy_net_ns+0x17c/0x770 [ 111.122035] copy_net_ns+0x321/0x770 [ 111.122532] create_new_namespaces+0x3f6/0xb30 [ 111.123166] unshare_nsproxy_namespaces+0xc1/0x200 [ 111.123791] ksys_unshare+0x44d/0x8e0 [ 111.124319] ? __pfx_ksys_unshare+0x10/0x10 [ 111.124896] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 111.125613] __x64_sys_unshare+0x31/0x40 [ 111.126160] do_syscall_64+0x3f/0x90 [ 111.126636] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 111.127328] RIP: 0033:0x7f92168a30d7 [ 111.127801] 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 [ 111.130031] RSP: 002b:00007ffc1f546a38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 111.130998] RAX: ffffffffffffffda RBX: 00007ffc1f547078 RCX: 00007f92168a30d7 [ 111.131892] RDX: 00007f921690d41f RSI: 00007ffc1f5469d0 RDI: 0000000040000000 [ 111.132760] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc1f5467e0 [ 111.133668] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f92169b5bf0 [ 111.134552] R13: 00007ffc1f546b10 R14: 0000000000000000 R15: 00000000000000f8 [ 111.135495] [ 111.135798] irq event stamp: 10035 [ 111.136269] hardirqs last enabled at (10047): [] __up_console_sem+0x78/0x80 [ 111.137337] hardirqs last disabled at (10058): [] __up_console_sem+0x5d/0x80 [ 111.138423] softirqs last enabled at (9720): [] irq_exit_rcu+0x93/0xc0 [ 111.139473] softirqs last disabled at (9715): [] irq_exit_rcu+0x93/0xc0 [ 111.140507] ---[ end trace 0000000000000000 ]--- [ 111.141798] ------------[ cut here ]------------ [ 111.142418] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 111.144387] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 111.145463] Modules linked in: [ 111.145903] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 111.147079] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 111.148102] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 111.148751] 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 [ 111.150973] RSP: 0018:ffff88801a0f7bf0 EFLAGS: 00010286 [ 111.151629] RAX: 0000000000000000 RBX: ffff888009785a40 RCX: 0000000000000000 [ 111.152538] RDX: ffff88800dc68000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 111.153438] RBP: ffff888009785a54 R08: 0000000000000001 R09: 0000000000000000 [ 111.154334] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 111.155256] R13: ffffffff84e223a0 R14: ffff888009785a48 R15: ffffffff84daf020 [ 111.156162] FS: 0000555555e2a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 111.157183] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.157941] CR2: 000055e880186080 CR3: 0000000006932000 CR4: 0000000000350ef0 [ 111.158802] Call Trace: [ 111.159179] [ 111.159488] nf_ct_net_init+0x224/0x3d0 [ 111.160030] ? __pfx_nf_ct_net_init+0x10/0x10 [ 111.160609] ops_init+0xbb/0x6b0 [ 111.161089] setup_net+0x3d9/0x990 [ 111.161547] ? down_read_killable+0x1d7/0x4e0 [ 111.162146] ? __pfx_setup_net+0x10/0x10 [ 111.162661] ? copy_net_ns+0x17c/0x770 [ 111.163205] copy_net_ns+0x321/0x770 [ 111.163697] create_new_namespaces+0x3f6/0xb30 [ 111.164318] unshare_nsproxy_namespaces+0xc1/0x200 [ 111.164983] ksys_unshare+0x44d/0x8e0 [ 111.165491] ? __pfx_ksys_unshare+0x10/0x10 [ 111.166074] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 111.166790] __x64_sys_unshare+0x31/0x40 [ 111.167349] do_syscall_64+0x3f/0x90 [ 111.167848] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 111.168489] RIP: 0033:0x7f92168a30d7 [ 111.168980] 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 [ 111.171172] RSP: 002b:00007ffc1f546a38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 111.172121] RAX: ffffffffffffffda RBX: 00007ffc1f547078 RCX: 00007f92168a30d7 [ 111.172998] RDX: 00007f921690d41f RSI: 00007ffc1f5469d0 RDI: 0000000040000000 [ 111.173880] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc1f5467e0 [ 111.174739] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f92169b5bf0 [ 111.175626] R13: 00007ffc1f546b10 R14: 0000000000000000 R15: 00000000000000f8 [ 111.176526] [ 111.176858] irq event stamp: 10773 [ 111.177287] hardirqs last enabled at (10783): [] __up_console_sem+0x78/0x80 [ 111.178354] hardirqs last disabled at (10794): [] __up_console_sem+0x5d/0x80 [ 111.179433] softirqs last enabled at (10410): [] irq_exit_rcu+0x93/0xc0 [ 111.180479] softirqs last disabled at (10815): [] irq_exit_rcu+0x93/0xc0 [ 111.181509] ---[ end trace 0000000000000000 ]--- executing program [ 112.755499] Bluetooth: hci0: command 0x0409 tx timeout [ 114.802933] Bluetooth: hci0: command 0x041b tx timeout executing program [ 116.850898] Bluetooth: hci0: command 0x040f tx timeout executing program [ 118.898913] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 17:22:36 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a0f7598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe4fd1 R15=dffffc0000000000 RIP=ffffffff82507645 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 0000555555e2a400 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=000055e880186080 CR3=0000000006932000 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=0000000000081f69 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=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=00007faa8a84dd80 CR3=000000000d93e000 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=2038333a33323a37312036312079614d XMM01=5d3934303635302e31313120205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20204c20202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d39 XMM07=6e72656b2072656c6c616b7a79732038 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000