Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:39915' (ECDSA) to the list of known hosts. 2023/05/18 10:08:33 fuzzer started 2023/05/18 10:08:34 dialing manager at localhost:44319 2023/05/18 10:08:34 checking machine... 2023/05/18 10:08:34 checking revisions... syzkaller login: [ 46.573116] kmemleak: Automatic memory scanning thread ended 2023/05/18 10:08:34 testing simple program... [ 46.637696] cgroup: Unknown subsys name 'net' [ 46.735300] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 59.946299] audit: type=1400 audit(1684404527.775:6): avc: denied { execmem } for pid=264 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 61.106475] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 61.116459] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 61.117339] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 61.131420] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 61.133719] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 61.134462] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 61.476040] ------------[ cut here ]------------ [ 61.476498] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 61.477857] WARNING: CPU: 0 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.478564] Modules linked in: [ 61.479047] CPU: 0 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 61.479763] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.480418] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.480898] 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 [ 61.482330] RSP: 0018:ffff888015d57c00 EFLAGS: 00010282 [ 61.482964] RAX: 0000000000000000 RBX: ffff88800f097440 RCX: 0000000000000000 [ 61.484358] RDX: ffff88800ffc1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 61.485023] RBP: ffff88800f097454 R08: 0000000000000001 R09: 0000000000000000 [ 61.485627] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.486277] R13: ffffffff84e23fe0 R14: ffff88800f097448 R15: ffffffff84d74dc0 [ 61.486925] FS: 0000555556279400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 61.487576] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.488055] CR2: 00007f5c6e7136f4 CR3: 000000000eafe000 CR4: 0000000000350ef0 [ 61.488634] Call Trace: [ 61.488866] [ 61.489063] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 61.489464] ipv4_frags_init_net+0x269/0x440 [ 61.490928] ops_init+0xbb/0x6b0 [ 61.491228] setup_net+0x3d9/0x990 [ 61.491554] ? down_read_killable+0x1d7/0x4e0 [ 61.491954] ? __pfx_setup_net+0x10/0x10 [ 61.492286] ? copy_net_ns+0x17c/0x770 [ 61.492620] copy_net_ns+0x321/0x770 [ 61.492963] create_new_namespaces+0x3f6/0xb30 [ 61.493343] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.494076] ksys_unshare+0x44d/0x8e0 [ 61.494431] ? __pfx_ksys_unshare+0x10/0x10 [ 61.494831] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.495295] __x64_sys_unshare+0x31/0x40 [ 61.495635] do_syscall_64+0x3f/0x90 [ 61.495979] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.496391] RIP: 0033:0x7fe37dad00d7 [ 61.496733] 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 [ 61.498417] RSP: 002b:00007ffea2b90788 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 61.499047] RAX: ffffffffffffffda RBX: 00007ffea2b90dc8 RCX: 00007fe37dad00d7 [ 61.499569] RDX: 00007fe37db3a41f RSI: 00007ffea2b90720 RDI: 0000000040000000 [ 61.500042] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffea2b90530 [ 61.500510] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe37dbe2bf0 [ 61.500968] R13: 00007ffea2b90860 R14: 0000000000000000 R15: 00000000000000f8 [ 61.501425] [ 61.501877] irq event stamp: 8899 [ 61.502146] hardirqs last enabled at (8909): [] __up_console_sem+0x78/0x80 [ 61.502876] hardirqs last disabled at (8920): [] __up_console_sem+0x5d/0x80 [ 61.503563] softirqs last enabled at (8562): [] irq_exit_rcu+0x93/0xc0 [ 61.504232] softirqs last disabled at (8541): [] irq_exit_rcu+0x93/0xc0 [ 61.504890] ---[ end trace 0000000000000000 ]--- [ 61.509090] ------------[ cut here ]------------ [ 61.509407] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 61.510494] WARNING: CPU: 0 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.511213] Modules linked in: [ 61.511460] CPU: 0 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 61.512055] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.512578] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.512934] 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 [ 61.514981] RSP: 0018:ffff888015d57c00 EFLAGS: 00010282 [ 61.515321] RAX: 0000000000000000 RBX: ffff8880145b5240 RCX: 0000000000000000 [ 61.515796] RDX: ffff88800ffc1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 61.516256] RBP: ffff8880145b5254 R08: 0000000000000001 R09: 0000000000000000 [ 61.516737] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.517311] R13: ffffffff84e23fe0 R14: ffff8880145b5248 R15: ffffffff84da7d60 [ 61.517948] FS: 0000555556279400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 61.518548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.519018] CR2: 00007f5c6e7136f4 CR3: 000000000eafe000 CR4: 0000000000350ef0 [ 61.519584] Call Trace: [ 61.519853] [ 61.520048] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 61.520405] ipv6_frags_init_net+0x206/0x3c0 [ 61.520716] ops_init+0xbb/0x6b0 [ 61.520963] setup_net+0x3d9/0x990 [ 61.521210] ? down_read_killable+0x1d7/0x4e0 [ 61.521513] ? __pfx_setup_net+0x10/0x10 [ 61.521882] ? copy_net_ns+0x17c/0x770 [ 61.522140] copy_net_ns+0x321/0x770 [ 61.522424] create_new_namespaces+0x3f6/0xb30 [ 61.522740] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.523074] ksys_unshare+0x44d/0x8e0 [ 61.523336] ? __pfx_ksys_unshare+0x10/0x10 [ 61.523667] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.524047] __x64_sys_unshare+0x31/0x40 [ 61.524322] do_syscall_64+0x3f/0x90 [ 61.524584] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.524931] RIP: 0033:0x7fe37dad00d7 [ 61.525178] 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 [ 61.526651] RSP: 002b:00007ffea2b90788 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 61.527158] RAX: ffffffffffffffda RBX: 00007ffea2b90dc8 RCX: 00007fe37dad00d7 [ 61.527612] RDX: 00007fe37db3a41f RSI: 00007ffea2b90720 RDI: 0000000040000000 [ 61.528098] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffea2b90530 [ 61.528540] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe37dbe2bf0 [ 61.528986] R13: 00007ffea2b90860 R14: 0000000000000000 R15: 00000000000000f8 [ 61.529450] [ 61.529635] irq event stamp: 10671 [ 61.529936] hardirqs last enabled at (10683): [] __up_console_sem+0x78/0x80 [ 61.530488] hardirqs last disabled at (10692): [] __up_console_sem+0x5d/0x80 [ 61.531094] softirqs last enabled at (9554): [] netlink_insert+0x187/0x1820 [ 61.531661] softirqs last disabled at (9552): [] release_sock+0x1f/0x1b0 [ 61.532218] ---[ end trace 0000000000000000 ]--- [ 61.533066] ------------[ cut here ]------------ [ 61.533367] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 61.534638] WARNING: CPU: 0 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.535205] Modules linked in: [ 61.535408] CPU: 0 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 61.536055] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.536607] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.536966] 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 [ 61.538162] RSP: 0018:ffff888015d57bf0 EFLAGS: 00010286 [ 61.538527] RAX: 0000000000000000 RBX: ffff8880145b4a40 RCX: 0000000000000000 [ 61.539038] RDX: ffff88800ffc1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 61.539517] RBP: ffff8880145b4a54 R08: 0000000000000001 R09: 0000000000000000 [ 61.539977] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.540424] R13: ffffffff84e23fe0 R14: ffff8880145b4a48 R15: ffffffff84db0aa0 [ 61.540891] FS: 0000555556279400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 61.541390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.541913] CR2: 00007f5c6e7136f4 CR3: 000000000eafe000 CR4: 0000000000350ef0 [ 61.542453] Call Trace: [ 61.542685] [ 61.542911] nf_ct_net_init+0x224/0x3d0 [ 61.543245] ? __pfx_nf_ct_net_init+0x10/0x10 [ 61.543613] ops_init+0xbb/0x6b0 [ 61.543934] setup_net+0x3d9/0x990 [ 61.544229] ? down_read_killable+0x1d7/0x4e0 [ 61.544623] ? __pfx_setup_net+0x10/0x10 [ 61.545001] ? copy_net_ns+0x17c/0x770 [ 61.545333] copy_net_ns+0x321/0x770 [ 61.545707] create_new_namespaces+0x3f6/0xb30 [ 61.546105] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.546490] ksys_unshare+0x44d/0x8e0 [ 61.546836] ? __pfx_ksys_unshare+0x10/0x10 [ 61.547193] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.547680] __x64_sys_unshare+0x31/0x40 [ 61.548059] do_syscall_64+0x3f/0x90 [ 61.548375] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.548851] RIP: 0033:0x7fe37dad00d7 [ 61.549152] 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 [ 61.550542] RSP: 002b:00007ffea2b90788 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 61.551197] RAX: ffffffffffffffda RBX: 00007ffea2b90dc8 RCX: 00007fe37dad00d7 [ 61.551765] RDX: 00007fe37db3a41f RSI: 00007ffea2b90720 RDI: 0000000040000000 [ 61.552347] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffea2b90530 [ 61.552955] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe37dbe2bf0 [ 61.553515] R13: 00007ffea2b90860 R14: 0000000000000000 R15: 00000000000000f8 [ 61.554154] [ 61.554352] irq event stamp: 11405 [ 61.554627] hardirqs last enabled at (11415): [] __up_console_sem+0x78/0x80 [ 61.555330] hardirqs last disabled at (11426): [] __up_console_sem+0x5d/0x80 [ 61.556031] softirqs last enabled at (10728): [] irq_exit_rcu+0x93/0xc0 [ 61.556722] softirqs last disabled at (10723): [] irq_exit_rcu+0x93/0xc0 [ 61.557421] ---[ end trace 0000000000000000 ]--- [ 63.166783] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 65.214277] Bluetooth: hci0: command 0x041b tx timeout [ 67.260945] Bluetooth: hci0: command 0x040f tx timeout executing program [ 69.308922] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 10:08:49 Registers: info registers vcpu 0 RAX=0000000000000070 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888015d57568 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000070 R11=0000000000000001 R12=0000000000000070 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 0000555556279400 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=00007f5c6e7136f4 CR3=000000000eafe000 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=0000000000000000 RBX=0000000000000000 RCX=ffffffff81b41c63 RDX=ffff888015a59b40 RSI=0000000000000000 RDI=0000000000000005 RBP=ffff888016943080 RSP=ffff8880165378b8 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000000 R12=0000000000000000 R13=ffff888016ac5b08 R14=ffff88801961a068 R15=ffff8880165379e8 RIP=ffffffff814be640 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 00007f1194b0d700 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=00007f4db1277838 CR3=0000000015be4000 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=2039343a38303a30312038312079614d XMM01=5d3131333731352e31362020205b203a XMM02=66203a35315220383432356235343130 XMM03=33326534386666666666666666203a33 XMM04=38652039382038342030322034312036 XMM05=20383420386520393820383420623020 XMM06=20386520343820326520303420303620 XMM07=34203965203938206334203331206238 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000