Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:38385' (ECDSA) to the list of known hosts. 2023/05/17 11:09:07 fuzzer started 2023/05/17 11:09:07 dialing manager at localhost:44319 2023/05/17 11:09:07 checking machine... 2023/05/17 11:09:07 checking revisions... syzkaller login: [ 33.565218] kmemleak: Automatic memory scanning thread ended 2023/05/17 11:09:07 testing simple program... [ 33.633596] cgroup: Unknown subsys name 'net' [ 33.720026] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 46.122159] audit: type=1400 audit(1684321760.448:6): 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 [ 47.219775] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 47.222539] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 47.224205] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 47.226744] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 47.228324] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 47.230344] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 47.621610] ------------[ cut here ]------------ [ 47.622277] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 47.623965] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.625066] Modules linked in: [ 47.625524] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 47.630547] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.631683] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.632337] 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 [ 47.634619] RSP: 0018:ffff88801fa07c00 EFLAGS: 00010282 [ 47.635285] RAX: 0000000000000000 RBX: ffff888015b09840 RCX: 0000000000000000 [ 47.636325] RDX: ffff88801f9f8000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 47.637350] RBP: ffff888015b09854 R08: 0000000000000001 R09: 0000000000000000 [ 47.638330] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 47.639358] R13: ffffffff84e23fe0 R14: ffff888015b09848 R15: ffffffff84d74dc0 [ 47.640349] FS: 00005555574f0400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 47.641648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.642360] CR2: 00007f5cec0656f4 CR3: 0000000018258000 CR4: 0000000000350ef0 [ 47.643283] Call Trace: [ 47.643648] [ 47.643946] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 47.644597] ipv4_frags_init_net+0x269/0x440 [ 47.645161] ops_init+0xbb/0x6b0 [ 47.645644] setup_net+0x3d9/0x990 [ 47.646103] ? down_read_killable+0x1d7/0x4e0 [ 47.646765] ? __pfx_setup_net+0x10/0x10 [ 47.647275] ? copy_net_ns+0x17c/0x770 [ 47.647820] copy_net_ns+0x321/0x770 [ 47.648305] create_new_namespaces+0x3f6/0xb30 [ 47.648933] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.649587] ksys_unshare+0x44d/0x8e0 [ 47.650077] ? __pfx_ksys_unshare+0x10/0x10 [ 47.650677] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.651430] __x64_sys_unshare+0x31/0x40 [ 47.651949] do_syscall_64+0x3f/0x90 [ 47.652467] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.653110] RIP: 0033:0x7f4918fc00d7 [ 47.653613] 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 [ 47.655847] RSP: 002b:00007ffe5b760898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 47.656805] RAX: ffffffffffffffda RBX: 00007ffe5b760ed8 RCX: 00007f4918fc00d7 [ 47.657699] RDX: 00007f491902a41f RSI: 00007ffe5b760830 RDI: 0000000040000000 [ 47.658611] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5b760640 [ 47.659548] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f49190d2bf0 [ 47.660451] R13: 00007ffe5b760970 R14: 0000000000000000 R15: 00000000000000f8 [ 47.661323] [ 47.661666] irq event stamp: 8887 [ 47.662086] hardirqs last enabled at (8897): [] __up_console_sem+0x78/0x80 [ 47.663153] hardirqs last disabled at (8908): [] __up_console_sem+0x5d/0x80 [ 47.664225] softirqs last enabled at (8648): [] irq_exit_rcu+0x93/0xc0 [ 47.665278] softirqs last disabled at (8637): [] irq_exit_rcu+0x93/0xc0 [ 47.666327] ---[ end trace 0000000000000000 ]--- [ 47.671529] ------------[ cut here ]------------ [ 47.672132] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 47.673798] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.674910] Modules linked in: [ 47.675326] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 47.676510] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.677557] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.678240] 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 [ 47.680480] RSP: 0018:ffff88801fa07c00 EFLAGS: 00010282 [ 47.681138] RAX: 0000000000000000 RBX: ffff88800f1e6040 RCX: 0000000000000000 [ 47.682037] RDX: ffff88801f9f8000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 47.682951] RBP: ffff88800f1e6054 R08: 0000000000000001 R09: 0000000000000000 [ 47.683862] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 47.684755] R13: ffffffff84e23fe0 R14: ffff88800f1e6048 R15: ffffffff84da7d60 [ 47.685660] FS: 00005555574f0400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 47.686664] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.687429] CR2: 00007f5cec0656f4 CR3: 0000000018258000 CR4: 0000000000350ef0 [ 47.688300] Call Trace: [ 47.688674] [ 47.688977] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 47.689636] ipv6_frags_init_net+0x206/0x3c0 [ 47.690215] ops_init+0xbb/0x6b0 [ 47.690729] setup_net+0x3d9/0x990 [ 47.691205] ? down_read_killable+0x1d7/0x4e0 [ 47.691820] ? __pfx_setup_net+0x10/0x10 [ 47.692340] ? copy_net_ns+0x17c/0x770 [ 47.692896] copy_net_ns+0x321/0x770 [ 47.693426] create_new_namespaces+0x3f6/0xb30 [ 47.694019] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.694703] ksys_unshare+0x44d/0x8e0 [ 47.695197] ? __pfx_ksys_unshare+0x10/0x10 [ 47.695787] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.696540] __x64_sys_unshare+0x31/0x40 [ 47.697064] do_syscall_64+0x3f/0x90 [ 47.697586] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.698239] RIP: 0033:0x7f4918fc00d7 [ 47.698753] 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 [ 47.700950] RSP: 002b:00007ffe5b760898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 47.701915] RAX: ffffffffffffffda RBX: 00007ffe5b760ed8 RCX: 00007f4918fc00d7 [ 47.702840] RDX: 00007f491902a41f RSI: 00007ffe5b760830 RDI: 0000000040000000 [ 47.703748] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5b760640 [ 47.704644] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f49190d2bf0 [ 47.705552] R13: 00007ffe5b760970 R14: 0000000000000000 R15: 00000000000000f8 [ 47.706486] [ 47.706799] irq event stamp: 10621 [ 47.707236] hardirqs last enabled at (10631): [] __up_console_sem+0x78/0x80 [ 47.708327] hardirqs last disabled at (10642): [] __up_console_sem+0x5d/0x80 [ 47.709423] softirqs last enabled at (10438): [] irq_exit_rcu+0x93/0xc0 [ 47.710494] softirqs last disabled at (10663): [] irq_exit_rcu+0x93/0xc0 [ 47.711572] ---[ end trace 0000000000000000 ]--- [ 47.712934] ------------[ cut here ]------------ [ 47.713619] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 47.715607] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.716679] Modules linked in: [ 47.717094] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 47.718270] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.719306] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.719999] 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 [ 47.722175] RSP: 0018:ffff88801fa07bf0 EFLAGS: 00010286 [ 47.722900] RAX: 0000000000000000 RBX: ffff88800f1e6c40 RCX: 0000000000000000 [ 47.723808] RDX: ffff88801f9f8000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 47.724709] RBP: ffff88800f1e6c54 R08: 0000000000000001 R09: 0000000000000000 [ 47.725617] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 47.726521] R13: ffffffff84e23fe0 R14: ffff88800f1e6c48 R15: ffffffff84db0aa0 [ 47.727431] FS: 00005555574f0400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 47.728438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.729152] CR2: 00007f5cec0656f4 CR3: 0000000018258000 CR4: 0000000000350ef0 [ 47.730058] Call Trace: [ 47.730418] [ 47.730728] nf_ct_net_init+0x224/0x3d0 [ 47.731243] ? __pfx_nf_ct_net_init+0x10/0x10 [ 47.731871] ops_init+0xbb/0x6b0 [ 47.732325] setup_net+0x3d9/0x990 [ 47.732814] ? down_read_killable+0x1d7/0x4e0 [ 47.733422] ? __pfx_setup_net+0x10/0x10 [ 47.733937] ? copy_net_ns+0x17c/0x770 [ 47.734492] copy_net_ns+0x321/0x770 [ 47.734997] create_new_namespaces+0x3f6/0xb30 [ 47.735619] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.736251] ksys_unshare+0x44d/0x8e0 [ 47.736775] ? __pfx_ksys_unshare+0x10/0x10 [ 47.737328] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.738080] __x64_sys_unshare+0x31/0x40 [ 47.738637] do_syscall_64+0x3f/0x90 [ 47.739128] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.739819] RIP: 0033:0x7f4918fc00d7 [ 47.740286] 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 [ 47.742490] RSP: 002b:00007ffe5b760898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 47.743476] RAX: ffffffffffffffda RBX: 00007ffe5b760ed8 RCX: 00007f4918fc00d7 [ 47.744344] RDX: 00007f491902a41f RSI: 00007ffe5b760830 RDI: 0000000040000000 [ 47.745259] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5b760640 [ 47.746161] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f49190d2bf0 [ 47.747099] R13: 00007ffe5b760970 R14: 0000000000000000 R15: 00000000000000f8 [ 47.748014] [ 47.748316] irq event stamp: 11429 [ 47.748787] hardirqs last enabled at (11441): [] __up_console_sem+0x78/0x80 [ 47.749883] hardirqs last disabled at (11452): [] __up_console_sem+0x5d/0x80 [ 47.750974] softirqs last enabled at (10914): [] irq_exit_rcu+0x93/0xc0 [ 47.752035] softirqs last disabled at (10891): [] irq_exit_rcu+0x93/0xc0 [ 47.753085] ---[ end trace 0000000000000000 ]--- executing program [ 49.295100] Bluetooth: hci0: command 0x0409 tx timeout [ 51.342478] Bluetooth: hci0: command 0x041b tx timeout executing program [ 53.390454] Bluetooth: hci0: command 0x040f tx timeout executing program [ 55.438471] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:09:16 Registers: info registers vcpu 0 RAX=0000000000000063 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801fa075f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000063 R11=0000000000000001 R12=0000000000000063 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 00005555574f0400 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=00007f5cec0656f4 CR3=0000000018258000 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=0000000000034c8f 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=00007f0647c2a4b0 CR3=000000000d9c6000 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=310e5c23d3af3f873a4ec93f0909ce72 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=f5052adec5db9201000000000013c8c0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=eeacbcf3bc4acfb600000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020002000200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000