Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:9346' (ECDSA) to the list of known hosts. 2023/05/17 10:18:19 fuzzer started 2023/05/17 10:18:19 dialing manager at localhost:35573 2023/05/17 10:18:19 checking machine... 2023/05/17 10:18:19 checking revisions... syzkaller login: [ 38.999248] kmemleak: Automatic memory scanning thread ended 2023/05/17 10:18:19 testing simple program... [ 39.081558] cgroup: Unknown subsys name 'net' [ 39.273184] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.052578] audit: type=1400 audit(1684318712.613:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 53.160453] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.161613] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.164201] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.166916] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.184813] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.190099] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.570672] ------------[ cut here ]------------ [ 53.571148] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.572276] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.573035] Modules linked in: [ 53.573335] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.574091] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.574788] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.575229] 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 [ 53.577711] RSP: 0018:ffff88801fc5fc00 EFLAGS: 00010282 [ 53.578143] RAX: 0000000000000000 RBX: ffff888015a7e040 RCX: 0000000000000000 [ 53.579024] RDX: ffff88801013d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.580103] RBP: ffff888015a7e054 R08: 0000000000000001 R09: 0000000000000000 [ 53.582731] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.584589] R13: ffffffff84e223a0 R14: ffff888015a7e048 R15: ffffffff84d73340 [ 53.586533] FS: 000055555617f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.588457] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.589995] CR2: 00007f230bd3b6f4 CR3: 000000000949c000 CR4: 0000000000350ee0 [ 53.597975] Call Trace: [ 53.598569] [ 53.599059] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.600198] ipv4_frags_init_net+0x269/0x440 [ 53.605652] ops_init+0xbb/0x6b0 [ 53.606469] setup_net+0x3d9/0x990 [ 53.607306] ? down_read_killable+0x1d7/0x4e0 [ 53.608331] ? __pfx_setup_net+0x10/0x10 [ 53.609365] ? copy_net_ns+0x17c/0x770 [ 53.610258] copy_net_ns+0x321/0x770 [ 53.611152] create_new_namespaces+0x3f6/0xb30 [ 53.612214] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.617227] ksys_unshare+0x44d/0x8e0 [ 53.618108] ? __pfx_ksys_unshare+0x10/0x10 [ 53.619064] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.620351] __x64_sys_unshare+0x31/0x40 [ 53.621409] do_syscall_64+0x3f/0x90 [ 53.622280] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.625503] RIP: 0033:0x7f60ef35a0d7 [ 53.626349] 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 [ 53.637091] RSP: 002b:00007ffd9db5ecf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.637866] RAX: ffffffffffffffda RBX: 00007ffd9db5f338 RCX: 00007f60ef35a0d7 [ 53.638491] RDX: 00007f60ef3c441f RSI: 00007ffd9db5ec90 RDI: 0000000040000000 [ 53.639115] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd9db5eaa0 [ 53.639765] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f60ef46cbf0 [ 53.640360] R13: 00007ffd9db5edd0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.641099] [ 53.641318] irq event stamp: 8777 [ 53.641664] hardirqs last enabled at (8787): [] __up_console_sem+0x78/0x80 [ 53.642399] hardirqs last disabled at (8798): [] __up_console_sem+0x5d/0x80 [ 53.643118] softirqs last enabled at (8652): [] irq_exit_rcu+0x93/0xc0 [ 53.643890] softirqs last disabled at (8647): [] irq_exit_rcu+0x93/0xc0 [ 53.644577] ---[ end trace 0000000000000000 ]--- [ 53.658731] ------------[ cut here ]------------ [ 53.659161] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.660264] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.661500] Modules linked in: [ 53.662081] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.663760] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.665024] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.665430] 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 [ 53.666812] RSP: 0018:ffff88801fc5fc00 EFLAGS: 00010282 [ 53.667221] RAX: 0000000000000000 RBX: ffff88800d60ea40 RCX: 0000000000000000 [ 53.667764] RDX: ffff88801013d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.668289] RBP: ffff88800d60ea54 R08: 0000000000000001 R09: 0000000000000000 [ 53.673998] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.675660] R13: ffffffff84e223a0 R14: ffff88800d60ea48 R15: ffffffff84da62e0 [ 53.676228] FS: 000055555617f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.677010] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.677487] CR2: 00007f230bd3b6f4 CR3: 000000000949c000 CR4: 0000000000350ee0 [ 53.678052] Call Trace: [ 53.678267] [ 53.678468] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.678908] ipv6_frags_init_net+0x206/0x3c0 [ 53.679268] ops_init+0xbb/0x6b0 [ 53.679592] setup_net+0x3d9/0x990 [ 53.679909] ? down_read_killable+0x1d7/0x4e0 [ 53.680278] ? __pfx_setup_net+0x10/0x10 [ 53.680614] ? copy_net_ns+0x17c/0x770 [ 53.681938] copy_net_ns+0x321/0x770 [ 53.682847] create_new_namespaces+0x3f6/0xb30 [ 53.683938] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.684327] ksys_unshare+0x44d/0x8e0 [ 53.684793] ? __pfx_ksys_unshare+0x10/0x10 [ 53.685160] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.685653] __x64_sys_unshare+0x31/0x40 [ 53.686018] do_syscall_64+0x3f/0x90 [ 53.686327] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.686814] RIP: 0033:0x7f60ef35a0d7 [ 53.687119] 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 [ 53.688510] RSP: 002b:00007ffd9db5ecf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.690211] RAX: ffffffffffffffda RBX: 00007ffd9db5f338 RCX: 00007f60ef35a0d7 [ 53.690774] RDX: 00007f60ef3c441f RSI: 00007ffd9db5ec90 RDI: 0000000040000000 [ 53.691319] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd9db5eaa0 [ 53.691930] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f60ef46cbf0 [ 53.692503] R13: 00007ffd9db5edd0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.693119] [ 53.693319] irq event stamp: 10709 [ 53.693647] hardirqs last enabled at (10719): [] __up_console_sem+0x78/0x80 [ 53.694351] hardirqs last disabled at (10730): [] __up_console_sem+0x5d/0x80 [ 53.695059] softirqs last enabled at (10574): [] irq_exit_rcu+0x93/0xc0 [ 53.695777] softirqs last disabled at (10569): [] irq_exit_rcu+0x93/0xc0 [ 53.696453] ---[ end trace 0000000000000000 ]--- [ 53.698043] ------------[ cut here ]------------ [ 53.698501] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.699786] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.700527] Modules linked in: [ 53.701059] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.702250] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.702920] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.703371] 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 [ 53.705735] RSP: 0018:ffff88801fc5fbf0 EFLAGS: 00010286 [ 53.706325] RAX: 0000000000000000 RBX: ffff88800d60f040 RCX: 0000000000000000 [ 53.706919] RDX: ffff88801013d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.707532] RBP: ffff88800d60f054 R08: 0000000000000001 R09: 0000000000000000 [ 53.708155] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.708780] R13: ffffffff84e223a0 R14: ffff88800d60f048 R15: ffffffff84daf020 [ 53.717279] FS: 000055555617f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.717968] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.718443] CR2: 00007f230bd3b6f4 CR3: 000000000949c000 CR4: 0000000000350ee0 [ 53.719023] Call Trace: [ 53.719237] [ 53.719434] nf_ct_net_init+0x224/0x3d0 [ 53.719839] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.720210] ops_init+0xbb/0x6b0 [ 53.720505] setup_net+0x3d9/0x990 [ 53.720851] ? down_read_killable+0x1d7/0x4e0 [ 53.721221] ? __pfx_setup_net+0x10/0x10 [ 53.721577] ? copy_net_ns+0x17c/0x770 [ 53.721956] copy_net_ns+0x321/0x770 [ 53.722272] create_new_namespaces+0x3f6/0xb30 [ 53.722658] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.723084] ksys_unshare+0x44d/0x8e0 [ 53.723405] ? __pfx_ksys_unshare+0x10/0x10 [ 53.723836] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.724305] __x64_sys_unshare+0x31/0x40 [ 53.724710] do_syscall_64+0x3f/0x90 [ 53.725047] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.725461] RIP: 0033:0x7f60ef35a0d7 [ 53.725792] 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 [ 53.727209] RSP: 002b:00007ffd9db5ecf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.727825] RAX: ffffffffffffffda RBX: 00007ffd9db5f338 RCX: 00007f60ef35a0d7 [ 53.728370] RDX: 00007f60ef3c441f RSI: 00007ffd9db5ec90 RDI: 0000000040000000 [ 53.741121] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd9db5eaa0 [ 53.741728] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f60ef46cbf0 [ 53.742266] R13: 00007ffd9db5edd0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.742900] [ 53.743097] irq event stamp: 11577 [ 53.743369] hardirqs last enabled at (11587): [] __up_console_sem+0x78/0x80 [ 53.744069] hardirqs last disabled at (11598): [] __up_console_sem+0x5d/0x80 [ 53.744813] softirqs last enabled at (11118): [] irq_exit_rcu+0x93/0xc0 [ 53.745477] softirqs last disabled at (11031): [] irq_exit_rcu+0x93/0xc0 [ 53.746171] ---[ end trace 0000000000000000 ]--- executing program [ 55.249405] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.296455] Bluetooth: hci0: command 0x041b tx timeout [ 59.344852] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.395272] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 10:18:32 Registers: info registers vcpu 0 RAX=00000000000356c5 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f RFL=00000206 [-----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 0000000000000000 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=00007fd9f24bf000 CR3=000000000e892000 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=71fbf808982ae097f34ba5e394e1a949 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=fdcac06dbe4e3c9f000000000013ebf0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=b57e4cfd63cd869700000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000034 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801fc5f660 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000034 R11=0000000000000001 R12=0000000000000034 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 000055555617f400 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=00007f230bd3b6f4 CR3=000000000949c000 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