Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:41469' (ECDSA) to the list of known hosts. 2023/05/17 02:30:39 fuzzer started 2023/05/17 02:30:39 dialing manager at localhost:35573 2023/05/17 02:30:39 checking machine... 2023/05/17 02:30:39 checking revisions... syzkaller login: [ 39.220772] kmemleak: Automatic memory scanning thread ended 2023/05/17 02:30:40 testing simple program... [ 39.287768] cgroup: Unknown subsys name 'net' [ 39.383462] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.841698] audit: type=1400 audit(1684290652.637:6): avc: denied { execmem } for pid=255 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 52.993156] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.002138] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.003424] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.005757] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.007291] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.008482] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.386221] ------------[ cut here ]------------ [ 53.387414] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.389819] WARNING: CPU: 1 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.390911] Modules linked in: [ 53.391335] CPU: 1 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.396037] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.397080] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.397735] 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 [ 53.399931] RSP: 0018:ffff88801f0f7c00 EFLAGS: 00010282 [ 53.400612] RAX: 0000000000000000 RBX: ffff888010251c40 RCX: 0000000000000000 [ 53.401532] RDX: ffff888018c10000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.402427] RBP: ffff888010251c54 R08: 0000000000000001 R09: 0000000000000000 [ 53.403313] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.404218] R13: ffffffff84e223a0 R14: ffff888010251c48 R15: ffffffff84d73340 [ 53.405142] FS: 0000555555cac400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.406130] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.406842] CR2: 00007f33df419cb0 CR3: 00000000202fc000 CR4: 0000000000350ee0 [ 53.407751] Call Trace: [ 53.408112] [ 53.408418] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.409080] ipv4_frags_init_net+0x269/0x440 [ 53.409645] ops_init+0xbb/0x6b0 [ 53.410125] setup_net+0x3d9/0x990 [ 53.410583] ? down_read_killable+0x1d7/0x4e0 [ 53.411167] ? __pfx_setup_net+0x10/0x10 [ 53.411672] ? copy_net_ns+0x17c/0x770 [ 53.412206] copy_net_ns+0x321/0x770 [ 53.412693] create_new_namespaces+0x3f6/0xb30 [ 53.413330] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.413973] ksys_unshare+0x44d/0x8e0 [ 53.414462] ? __pfx_ksys_unshare+0x10/0x10 [ 53.415031] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.415739] __x64_sys_unshare+0x31/0x40 [ 53.416293] do_syscall_64+0x3f/0x90 [ 53.416778] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.417451] RIP: 0033:0x7f2cf30de0d7 [ 53.417911] 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 [ 53.420099] RSP: 002b:00007fff99ce8cc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.421068] RAX: ffffffffffffffda RBX: 00007fff99ce9308 RCX: 00007f2cf30de0d7 [ 53.421918] RDX: 00007f2cf314841f RSI: 00007fff99ce8c60 RDI: 0000000040000000 [ 53.422796] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff99ce8a70 [ 53.423681] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2cf31f0bf0 [ 53.424577] R13: 00007fff99ce8da0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.425490] [ 53.425785] irq event stamp: 7683 [ 53.426229] hardirqs last enabled at (7695): [] __up_console_sem+0x78/0x80 [ 53.427274] hardirqs last disabled at (7706): [] __up_console_sem+0x5d/0x80 [ 53.428314] softirqs last enabled at (7222): [] irq_exit_rcu+0x93/0xc0 [ 53.429339] softirqs last disabled at (7193): [] irq_exit_rcu+0x93/0xc0 [ 53.430350] ---[ end trace 0000000000000000 ]--- [ 53.435957] ------------[ cut here ]------------ [ 53.436539] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.438277] WARNING: CPU: 1 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.439333] Modules linked in: [ 53.439751] CPU: 1 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.440920] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.441932] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.442604] 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 [ 53.444782] RSP: 0018:ffff88801f0f7c00 EFLAGS: 00010282 [ 53.445481] RAX: 0000000000000000 RBX: ffff8880144a7240 RCX: 0000000000000000 [ 53.446375] RDX: ffff888018c10000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.447262] RBP: ffff8880144a7254 R08: 0000000000000001 R09: 0000000000000000 [ 53.448151] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.449047] R13: ffffffff84e223a0 R14: ffff8880144a7248 R15: ffffffff84da62e0 [ 53.449900] FS: 0000555555cac400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.450889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.451617] CR2: 00007f33df419cb0 CR3: 00000000202fc000 CR4: 0000000000350ee0 [ 53.452495] Call Trace: [ 53.452819] [ 53.453161] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.453776] ipv6_frags_init_net+0x206/0x3c0 [ 53.454355] ops_init+0xbb/0x6b0 [ 53.454798] setup_net+0x3d9/0x990 [ 53.455272] ? down_read_killable+0x1d7/0x4e0 [ 53.455837] ? __pfx_setup_net+0x10/0x10 [ 53.456376] ? copy_net_ns+0x17c/0x770 [ 53.456878] copy_net_ns+0x321/0x770 [ 53.457389] create_new_namespaces+0x3f6/0xb30 [ 53.457999] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.458614] ksys_unshare+0x44d/0x8e0 [ 53.459131] ? __pfx_ksys_unshare+0x10/0x10 [ 53.459680] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.460422] __x64_sys_unshare+0x31/0x40 [ 53.460969] do_syscall_64+0x3f/0x90 [ 53.461475] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.462137] RIP: 0033:0x7f2cf30de0d7 [ 53.462606] 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 [ 53.464770] RSP: 002b:00007fff99ce8cc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.465723] RAX: ffffffffffffffda RBX: 00007fff99ce9308 RCX: 00007f2cf30de0d7 [ 53.466610] RDX: 00007f2cf314841f RSI: 00007fff99ce8c60 RDI: 0000000040000000 [ 53.467494] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff99ce8a70 [ 53.468378] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2cf31f0bf0 [ 53.469279] R13: 00007fff99ce8da0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.470194] [ 53.470493] irq event stamp: 9631 [ 53.470917] hardirqs last enabled at (9641): [] __up_console_sem+0x78/0x80 [ 53.471984] hardirqs last disabled at (9654): [] __up_console_sem+0x5d/0x80 [ 53.473064] softirqs last enabled at (9204): [] irq_exit_rcu+0x93/0xc0 [ 53.474099] softirqs last disabled at (9199): [] irq_exit_rcu+0x93/0xc0 [ 53.475123] ---[ end trace 0000000000000000 ]--- [ 53.476448] ------------[ cut here ]------------ [ 53.477143] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.479155] WARNING: CPU: 1 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.480202] Modules linked in: [ 53.480615] CPU: 1 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.481772] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.482778] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.483449] 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 [ 53.485634] RSP: 0018:ffff88801f0f7bf0 EFLAGS: 00010286 [ 53.486311] RAX: 0000000000000000 RBX: ffff8880144a7a40 RCX: 0000000000000000 [ 53.487198] RDX: ffff888018c10000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.488088] RBP: ffff8880144a7a54 R08: 0000000000000001 R09: 0000000000000000 [ 53.488972] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.489831] R13: ffffffff84e223a0 R14: ffff8880144a7a48 R15: ffffffff84daf020 [ 53.490722] FS: 0000555555cac400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.491719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.492453] CR2: 00007f33df419cb0 CR3: 00000000202fc000 CR4: 0000000000350ee0 [ 53.493365] Call Trace: [ 53.493694] [ 53.494020] nf_ct_net_init+0x224/0x3d0 [ 53.494536] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.495138] ops_init+0xbb/0x6b0 [ 53.495590] setup_net+0x3d9/0x990 [ 53.496071] ? down_read_killable+0x1d7/0x4e0 [ 53.496636] ? __pfx_setup_net+0x10/0x10 [ 53.497178] ? copy_net_ns+0x17c/0x770 [ 53.497695] copy_net_ns+0x321/0x770 [ 53.498198] create_new_namespaces+0x3f6/0xb30 [ 53.498781] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.499429] ksys_unshare+0x44d/0x8e0 [ 53.499917] ? __pfx_ksys_unshare+0x10/0x10 [ 53.500490] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.501253] __x64_sys_unshare+0x31/0x40 [ 53.501774] do_syscall_64+0x3f/0x90 [ 53.502277] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.502915] RIP: 0033:0x7f2cf30de0d7 [ 53.503406] 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 [ 53.505577] RSP: 002b:00007fff99ce8cc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.506520] RAX: ffffffffffffffda RBX: 00007fff99ce9308 RCX: 00007f2cf30de0d7 [ 53.507422] RDX: 00007f2cf314841f RSI: 00007fff99ce8c60 RDI: 0000000040000000 [ 53.508301] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff99ce8a70 [ 53.509208] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2cf31f0bf0 [ 53.510086] R13: 00007fff99ce8da0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.510991] [ 53.511296] irq event stamp: 10417 [ 53.511740] hardirqs last enabled at (10427): [] __up_console_sem+0x78/0x80 [ 53.512811] hardirqs last disabled at (10438): [] __up_console_sem+0x5d/0x80 [ 53.513890] softirqs last enabled at (10354): [] irq_exit_rcu+0x93/0xc0 [ 53.514922] softirqs last disabled at (10349): [] irq_exit_rcu+0x93/0xc0 [ 53.515977] ---[ end trace 0000000000000000 ]--- executing program [ 55.071688] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.119260] Bluetooth: hci0: command 0x041b tx timeout [ 59.167040] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.215066] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:30:51 Registers: info registers vcpu 0 RAX=ffffffff815a5856 RBX=dffffc0000000000 RCX=0000000000000000 RDX=0000000000000000 RSI=ffffffff815a0f84 RDI=ffffffff852afe08 RBP=ffff888016ddfd28 RSP=ffff888016ddfc60 R8 =0000000000000006 R9 =0000000000000101 R10=000000000000003d R11=0000000000000000 R12=0000000000000015 R13=ffff888016ddfd60 R14=0000000000000015 R15=ffffc90000693290 RIP=ffffffff815a585a RFL=00000246 [---Z-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 00007f33dffe8900 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=00007f33df463898 CR3=000000000e4b2000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=a6828b95476ff477000000000013bb20 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=639aea81a6246c0600000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000020000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f0f75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555555cac400 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=00007f33df419cb0 CR3=00000000202fc000 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=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