Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:45568' (ECDSA) to the list of known hosts. 2023/05/17 07:09:24 fuzzer started 2023/05/17 07:09:24 dialing manager at localhost:35573 2023/05/17 07:09:24 checking machine... 2023/05/17 07:09:24 checking revisions... syzkaller login: [ 31.687374] kmemleak: Automatic memory scanning thread ended 2023/05/17 07:09:24 testing simple program... [ 31.762118] cgroup: Unknown subsys name 'net' [ 31.850398] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 44.027510] audit: type=1400 audit(1684307376.954:6): 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 [ 45.100124] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 45.101926] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 45.103626] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 45.106475] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 45.107969] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 45.109617] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.474053] ------------[ cut here ]------------ [ 45.474691] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 45.476686] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.477774] Modules linked in: [ 45.478201] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.479912] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.481844] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.483101] 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 [ 45.485254] RSP: 0018:ffff88801efdfc00 EFLAGS: 00010282 [ 45.485936] RAX: 0000000000000000 RBX: ffff8880160cd440 RCX: 0000000000000000 [ 45.486873] RDX: ffff888009699b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.487729] RBP: ffff8880160cd454 R08: 0000000000000001 R09: 0000000000000000 [ 45.488625] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.489516] R13: ffffffff84e223a0 R14: ffff8880160cd448 R15: ffffffff84d73340 [ 45.490467] FS: 00005555572f0400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.491441] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.492194] CR2: 00007f9f015366f4 CR3: 0000000020610000 CR4: 0000000000350ef0 [ 45.493073] Call Trace: [ 45.493393] [ 45.493676] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.494364] ipv4_frags_init_net+0x269/0x440 [ 45.494954] ops_init+0xbb/0x6b0 [ 45.495415] setup_net+0x3d9/0x990 [ 45.495896] ? down_read_killable+0x1d7/0x4e0 [ 45.496472] ? __pfx_setup_net+0x10/0x10 [ 45.496987] ? copy_net_ns+0x17c/0x770 [ 45.497478] copy_net_ns+0x321/0x770 [ 45.497967] create_new_namespaces+0x3f6/0xb30 [ 45.498562] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.499203] ksys_unshare+0x44d/0x8e0 [ 45.499673] ? __pfx_ksys_unshare+0x10/0x10 [ 45.500242] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.500945] __x64_sys_unshare+0x31/0x40 [ 45.501445] do_syscall_64+0x3f/0x90 [ 45.501932] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.502585] RIP: 0033:0x7fd8805e90d7 [ 45.503078] 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 [ 45.505231] RSP: 002b:00007ffffe9cd478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.506225] RAX: ffffffffffffffda RBX: 00007ffffe9cdab8 RCX: 00007fd8805e90d7 [ 45.507126] RDX: 00007fd88065341f RSI: 00007ffffe9cd410 RDI: 0000000040000000 [ 45.508021] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffffe9cd220 [ 45.508880] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd8806fbbf0 [ 45.509698] R13: 00007ffffe9cd550 R14: 0000000000000000 R15: 00000000000000f8 [ 45.510623] [ 45.510946] irq event stamp: 9063 [ 45.511375] hardirqs last enabled at (9073): [] __up_console_sem+0x78/0x80 [ 45.512395] hardirqs last disabled at (9084): [] __up_console_sem+0x5d/0x80 [ 45.513414] softirqs last enabled at (8554): [] irq_exit_rcu+0x93/0xc0 [ 45.514442] softirqs last disabled at (8427): [] irq_exit_rcu+0x93/0xc0 [ 45.515456] ---[ end trace 0000000000000000 ]--- [ 45.521999] ------------[ cut here ]------------ [ 45.522614] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.524276] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.525346] Modules linked in: [ 45.525746] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.526955] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.528010] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.528661] 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 [ 45.530894] RSP: 0018:ffff88801efdfc00 EFLAGS: 00010282 [ 45.531567] RAX: 0000000000000000 RBX: ffff888015b01840 RCX: 0000000000000000 [ 45.532480] RDX: ffff888009699b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.533388] RBP: ffff888015b01854 R08: 0000000000000001 R09: 0000000000000000 [ 45.534321] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.535242] R13: ffffffff84e223a0 R14: ffff888015b01848 R15: ffffffff84da62e0 [ 45.536159] FS: 00005555572f0400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.537177] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.537919] CR2: 00007f9f015366f4 CR3: 0000000020610000 CR4: 0000000000350ef0 [ 45.538870] Call Trace: [ 45.539224] [ 45.539519] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 45.540192] ipv6_frags_init_net+0x206/0x3c0 [ 45.540752] ops_init+0xbb/0x6b0 [ 45.541246] setup_net+0x3d9/0x990 [ 45.541700] ? down_read_killable+0x1d7/0x4e0 [ 45.542357] ? __pfx_setup_net+0x10/0x10 [ 45.542900] ? copy_net_ns+0x17c/0x770 [ 45.543427] copy_net_ns+0x321/0x770 [ 45.543944] create_new_namespaces+0x3f6/0xb30 [ 45.544536] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.545206] ksys_unshare+0x44d/0x8e0 [ 45.545699] ? __pfx_ksys_unshare+0x10/0x10 [ 45.546328] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.547098] __x64_sys_unshare+0x31/0x40 [ 45.547627] do_syscall_64+0x3f/0x90 [ 45.548170] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.548850] RIP: 0033:0x7fd8805e90d7 [ 45.549331] 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 [ 45.551836] RSP: 002b:00007ffffe9cd478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.552771] RAX: ffffffffffffffda RBX: 00007ffffe9cdab8 RCX: 00007fd8805e90d7 [ 45.553684] RDX: 00007fd88065341f RSI: 00007ffffe9cd410 RDI: 0000000040000000 [ 45.554623] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffffe9cd220 [ 45.555537] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd8806fbbf0 [ 45.556463] R13: 00007ffffe9cd550 R14: 0000000000000000 R15: 00000000000000f8 [ 45.557396] [ 45.557695] irq event stamp: 11077 [ 45.558225] hardirqs last enabled at (11089): [] __up_console_sem+0x78/0x80 [ 45.559319] hardirqs last disabled at (11100): [] __up_console_sem+0x5d/0x80 [ 45.560409] softirqs last enabled at (10522): [] irq_exit_rcu+0x93/0xc0 [ 45.561468] softirqs last disabled at (10501): [] irq_exit_rcu+0x93/0xc0 [ 45.562551] ---[ end trace 0000000000000000 ]--- [ 45.563943] ------------[ cut here ]------------ [ 45.564538] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 45.566461] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.567555] Modules linked in: [ 45.567986] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.569186] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.570245] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.570915] 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 [ 45.573141] RSP: 0018:ffff88801efdfbf0 EFLAGS: 00010286 [ 45.573791] RAX: 0000000000000000 RBX: ffff8880096e6040 RCX: 0000000000000000 [ 45.574736] RDX: ffff888009699b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.575665] RBP: ffff8880096e6054 R08: 0000000000000001 R09: 0000000000000000 [ 45.576571] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.577486] R13: ffffffff84e223a0 R14: ffff8880096e6048 R15: ffffffff84daf020 [ 45.578430] FS: 00005555572f0400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.579488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.580289] CR2: 00007f9f015366f4 CR3: 0000000020610000 CR4: 0000000000350ef0 [ 45.581204] Call Trace: [ 45.581528] [ 45.581858] nf_ct_net_init+0x224/0x3d0 [ 45.582407] ? __pfx_nf_ct_net_init+0x10/0x10 [ 45.583019] ops_init+0xbb/0x6b0 [ 45.583484] setup_net+0x3d9/0x990 [ 45.583976] ? down_read_killable+0x1d7/0x4e0 [ 45.584547] ? __pfx_setup_net+0x10/0x10 [ 45.585109] ? copy_net_ns+0x17c/0x770 [ 45.585604] copy_net_ns+0x321/0x770 [ 45.586157] create_new_namespaces+0x3f6/0xb30 [ 45.586737] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.587425] ksys_unshare+0x44d/0x8e0 [ 45.587949] ? __pfx_ksys_unshare+0x10/0x10 [ 45.588513] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.589282] __x64_sys_unshare+0x31/0x40 [ 45.589803] do_syscall_64+0x3f/0x90 [ 45.590345] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.591014] RIP: 0033:0x7fd8805e90d7 [ 45.591498] 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 [ 45.593705] RSP: 002b:00007ffffe9cd478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.594697] RAX: ffffffffffffffda RBX: 00007ffffe9cdab8 RCX: 00007fd8805e90d7 [ 45.595620] RDX: 00007fd88065341f RSI: 00007ffffe9cd410 RDI: 0000000040000000 [ 45.596524] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffffe9cd220 [ 45.597447] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd8806fbbf0 [ 45.598386] R13: 00007ffffe9cd550 R14: 0000000000000000 R15: 00000000000000f8 [ 45.599341] [ 45.599646] irq event stamp: 11849 [ 45.600142] hardirqs last enabled at (11861): [] __up_console_sem+0x78/0x80 [ 45.601232] hardirqs last disabled at (11872): [] __up_console_sem+0x5d/0x80 [ 45.602329] softirqs last enabled at (11600): [] irq_exit_rcu+0x93/0xc0 [ 45.603429] softirqs last disabled at (11595): [] irq_exit_rcu+0x93/0xc0 [ 45.604492] ---[ end trace 0000000000000000 ]--- executing program [ 47.125611] Bluetooth: hci0: command 0x0409 tx timeout [ 49.173392] Bluetooth: hci0: command 0x041b tx timeout executing program [ 51.220985] Bluetooth: hci0: command 0x040f tx timeout executing program [ 53.268906] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 07:09:35 Registers: info registers vcpu 0 RAX=000000000000004f RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801efdf618 R8 =0000000000000001 R9 =000000000000000a R10=000000000000004f R11=0000000000000001 R12=000000000000004f 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 00005555572f0400 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=00007f9f015366f4 CR3=0000000020610000 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=0000000080000000 RBX=1ffff11002c3af1d RCX=0000000000000000 RDX=ffff888015aab680 RSI=ffffffff81967d63 RDI=ffff8880161d7908 RBP=0000000000000000 RSP=ffff8880161d78e0 R8 =0000000000000003 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=ffffffff854eef40 R14=ffff888008c22680 R15=ffff888015aab680 RIP=ffffffff814bf890 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 00007fd528769900 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=00007fd527becb00 CR3=000000000e52c000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=d734b2677e686a71000000000013b738 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=01f91987e6b0102400000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000