Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:43670' (ECDSA) to the list of known hosts. 2023/05/18 07:22:33 fuzzer started 2023/05/18 07:22:33 dialing manager at localhost:44319 2023/05/18 07:22:34 checking machine... 2023/05/18 07:22:34 checking revisions... syzkaller login: [ 105.380679] kmemleak: Automatic memory scanning thread ended 2023/05/18 07:22:34 testing simple program... [ 105.448672] cgroup: Unknown subsys name 'net' [ 105.518167] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 115.305070] systemd-udevd (209) used greatest stack depth: 24088 bytes left executing program [ 119.094184] audit: type=1400 audit(1684394567.878:6): avc: denied { execmem } for pid=263 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 120.236296] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 executing program [ 120.239278] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 120.241558] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 120.244812] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 120.246736] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 120.248071] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 120.633800] ------------[ cut here ]------------ [ 120.634803] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 120.636799] WARNING: CPU: 0 PID: 264 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 120.637868] Modules linked in: [ 120.638285] CPU: 0 PID: 264 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 120.642417] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 120.643434] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 120.644105] 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 [ 120.646345] RSP: 0018:ffff88801599fc00 EFLAGS: 00010282 [ 120.647055] RAX: 0000000000000000 RBX: ffff88800e23bc40 RCX: 0000000000000000 [ 120.647976] RDX: ffff888009d21b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 120.648913] RBP: ffff88800e23bc54 R08: 0000000000000001 R09: 0000000000000000 [ 120.649831] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 120.650762] R13: ffffffff84e23fe0 R14: ffff88800e23bc48 R15: ffffffff84d74dc0 [ 120.651686] FS: 0000555556bb7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 120.652740] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 120.653517] CR2: 00007f65b6b36b50 CR3: 000000000963c000 CR4: 0000000000350ef0 [ 120.654440] Call Trace: [ 120.654774] [ 120.655083] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 120.655739] ipv4_frags_init_net+0x269/0x440 [ 120.656348] ops_init+0xbb/0x6b0 [ 120.656852] setup_net+0x3d9/0x990 [ 120.657320] ? down_read_killable+0x1d7/0x4e0 [ 120.657943] ? __pfx_setup_net+0x10/0x10 [ 120.658502] ? copy_net_ns+0x17c/0x770 [ 120.659033] copy_net_ns+0x321/0x770 [ 120.659562] create_new_namespaces+0x3f6/0xb30 [ 120.660193] unshare_nsproxy_namespaces+0xc1/0x200 [ 120.660865] ksys_unshare+0x44d/0x8e0 [ 120.661369] ? __pfx_ksys_unshare+0x10/0x10 [ 120.661964] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 120.662735] __x64_sys_unshare+0x31/0x40 [ 120.663272] do_syscall_64+0x3f/0x90 [ 120.663792] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 120.664521] RIP: 0033:0x7ff0ee50d0d7 [ 120.665012] 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 [ 120.667237] RSP: 002b:00007ffe95462068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 120.668217] RAX: ffffffffffffffda RBX: 00007ffe954626a8 RCX: 00007ff0ee50d0d7 [ 120.669117] RDX: 00007ff0ee57741f RSI: 00007ffe95462000 RDI: 0000000040000000 [ 120.670011] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe95461e10 [ 120.670911] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff0ee61fbf0 [ 120.671816] R13: 00007ffe95462140 R14: 0000000000000000 R15: 00000000000000f8 [ 120.672777] [ 120.673085] irq event stamp: 8881 [ 120.673548] hardirqs last enabled at (8893): [] __up_console_sem+0x78/0x80 [ 120.674610] hardirqs last disabled at (8904): [] __up_console_sem+0x5d/0x80 [ 120.675661] softirqs last enabled at (8806): [] irq_exit_rcu+0x93/0xc0 [ 120.676694] softirqs last disabled at (8801): [] irq_exit_rcu+0x93/0xc0 [ 120.677724] ---[ end trace 0000000000000000 ]--- [ 120.682985] ------------[ cut here ]------------ [ 120.683609] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 120.685243] WARNING: CPU: 0 PID: 264 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 120.686296] Modules linked in: [ 120.686729] CPU: 0 PID: 264 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 120.687885] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 120.688904] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 120.689582] 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 [ 120.691758] RSP: 0018:ffff88801599fc00 EFLAGS: 00010282 [ 120.692456] RAX: 0000000000000000 RBX: ffff88800f601e40 RCX: 0000000000000000 [ 120.693332] RDX: ffff888009d21b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 120.694261] RBP: ffff88800f601e54 R08: 0000000000000001 R09: 0000000000000000 [ 120.695187] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 120.696143] R13: ffffffff84e23fe0 R14: ffff88800f601e48 R15: ffffffff84da7d60 [ 120.697068] FS: 0000555556bb7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 120.698111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 120.698884] CR2: 00007f65b6b36b50 CR3: 000000000963c000 CR4: 0000000000350ef0 [ 120.699832] Call Trace: [ 120.700199] [ 120.700547] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 120.701205] ipv6_frags_init_net+0x206/0x3c0 [ 120.701823] ops_init+0xbb/0x6b0 [ 120.702300] setup_net+0x3d9/0x990 [ 120.702815] ? down_read_killable+0x1d7/0x4e0 [ 120.703454] ? __pfx_setup_net+0x10/0x10 [ 120.703996] ? copy_net_ns+0x17c/0x770 [ 120.704575] copy_net_ns+0x321/0x770 [ 120.705091] create_new_namespaces+0x3f6/0xb30 [ 120.705735] unshare_nsproxy_namespaces+0xc1/0x200 [ 120.706416] ksys_unshare+0x44d/0x8e0 [ 120.706936] ? __pfx_ksys_unshare+0x10/0x10 [ 120.707539] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 120.708301] __x64_sys_unshare+0x31/0x40 [ 120.708880] do_syscall_64+0x3f/0x90 [ 120.709417] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 120.710094] RIP: 0033:0x7ff0ee50d0d7 [ 120.710609] 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 [ 120.712945] RSP: 002b:00007ffe95462068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 120.713955] RAX: ffffffffffffffda RBX: 00007ffe954626a8 RCX: 00007ff0ee50d0d7 [ 120.714883] RDX: 00007ff0ee57741f RSI: 00007ffe95462000 RDI: 0000000040000000 [ 120.715828] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe95461e10 [ 120.716779] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff0ee61fbf0 [ 120.717724] R13: 00007ffe95462140 R14: 0000000000000000 R15: 00000000000000f8 [ 120.718700] [ 120.719015] irq event stamp: 10699 [ 120.719505] hardirqs last enabled at (10711): [] __up_console_sem+0x78/0x80 [ 120.720635] hardirqs last disabled at (10722): [] __up_console_sem+0x5d/0x80 [ 120.721754] softirqs last enabled at (9766): [] irq_exit_rcu+0x93/0xc0 [ 120.722844] softirqs last disabled at (9745): [] irq_exit_rcu+0x93/0xc0 [ 120.723938] ---[ end trace 0000000000000000 ]--- [ 120.725480] ------------[ cut here ]------------ [ 120.726101] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 120.728059] WARNING: CPU: 0 PID: 264 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 120.729192] Modules linked in: [ 120.729643] CPU: 0 PID: 264 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 120.730863] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 120.731920] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 120.732668] 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 [ 120.734947] RSP: 0018:ffff88801599fbf0 EFLAGS: 00010286 [ 120.735655] RAX: 0000000000000000 RBX: ffff88800f600040 RCX: 0000000000000000 [ 120.736594] RDX: ffff888009d21b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 120.737519] RBP: ffff88800f600054 R08: 0000000000000001 R09: 0000000000000000 [ 120.738438] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 120.739321] R13: ffffffff84e23fe0 R14: ffff88800f600048 R15: ffffffff84db0aa0 [ 120.740275] FS: 0000555556bb7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 120.741306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 120.742077] CR2: 00007f65b6b36b50 CR3: 000000000963c000 CR4: 0000000000350ef0 [ 120.743018] Call Trace: [ 120.743353] [ 120.743696] nf_ct_net_init+0x224/0x3d0 [ 120.744243] ? __pfx_nf_ct_net_init+0x10/0x10 [ 120.744873] ops_init+0xbb/0x6b0 [ 120.745342] setup_net+0x3d9/0x990 [ 120.745843] ? down_read_killable+0x1d7/0x4e0 [ 120.746474] ? __pfx_setup_net+0x10/0x10 [ 120.747008] ? copy_net_ns+0x17c/0x770 [ 120.747564] copy_net_ns+0x321/0x770 [ 120.748080] create_new_namespaces+0x3f6/0xb30 [ 120.748721] unshare_nsproxy_namespaces+0xc1/0x200 [ 120.749373] ksys_unshare+0x44d/0x8e0 [ 120.749920] ? __pfx_ksys_unshare+0x10/0x10 [ 120.750511] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 120.751257] __x64_sys_unshare+0x31/0x40 [ 120.751819] do_syscall_64+0x3f/0x90 [ 120.752338] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 120.753036] RIP: 0033:0x7ff0ee50d0d7 [ 120.753550] 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 [ 120.755794] RSP: 002b:00007ffe95462068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 120.756796] RAX: ffffffffffffffda RBX: 00007ffe954626a8 RCX: 00007ff0ee50d0d7 [ 120.757714] RDX: 00007ff0ee57741f RSI: 00007ffe95462000 RDI: 0000000040000000 [ 120.758626] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe95461e10 [ 120.759539] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff0ee61fbf0 [ 120.760479] R13: 00007ffe95462140 R14: 0000000000000000 R15: 00000000000000f8 [ 120.761424] [ 120.761738] irq event stamp: 11521 [ 120.762194] hardirqs last enabled at (11531): [] __up_console_sem+0x78/0x80 [ 120.763295] hardirqs last disabled at (11542): [] __up_console_sem+0x5d/0x80 [ 120.764432] softirqs last enabled at (11080): [] irq_exit_rcu+0x93/0xc0 [ 120.765503] softirqs last disabled at (11071): [] irq_exit_rcu+0x93/0xc0 [ 120.766580] ---[ end trace 0000000000000000 ]--- [ 122.317075] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 124.364467] Bluetooth: hci0: command 0x041b tx timeout executing program [ 126.412465] Bluetooth: hci0: command 0x040f tx timeout [ 128.461584] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 07:21:40 Registers: info registers vcpu 0 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801599f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 0000555556bb7400 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=00007f65b6b36b50 CR3=000000000963c000 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=0000000000095c7f 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=00007f65b6b84e10 CR3=0000000014426000 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=2039343a32323a37302038312079614d XMM01=5d3939373633362e30323120205b203a XMM02=74656e20746120343632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120343632203a4449 XMM06=57205d3939373633362e30323120205b XMM07=79732039343a32323a37302038312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000