Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:61651' (ECDSA) to the list of known hosts. 2023/05/16 11:18:07 fuzzer started 2023/05/16 11:18:07 dialing manager at localhost:35573 2023/05/16 11:18:07 checking machine... 2023/05/16 11:18:07 checking revisions... syzkaller login: [ 42.639996] kmemleak: Automatic memory scanning thread ended 2023/05/16 11:18:08 testing simple program... [ 42.707039] cgroup: Unknown subsys name 'net' [ 42.807799] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 55.490695] audit: type=1400 audit(1684235901.007:6): 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 [ 56.574900] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.583906] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.593118] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.596657] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.599049] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.600752] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.995580] ------------[ cut here ]------------ [ 56.996217] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.998054] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.999303] Modules linked in: [ 56.999820] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.004311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.005328] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.005995] 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 [ 57.008161] RSP: 0018:ffff88801cf4fc00 EFLAGS: 00010282 [ 57.008847] RAX: 0000000000000000 RBX: ffff88800cc71040 RCX: 0000000000000000 [ 57.009735] RDX: ffff88800ff31b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.010673] RBP: ffff88800cc71054 R08: 0000000000000001 R09: 0000000000000000 [ 57.011570] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 57.012472] R13: ffffffff84e223a0 R14: ffff88800cc71048 R15: ffffffff84d73340 [ 57.013329] FS: 0000555556962400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 57.014356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.015112] CR2: 00007f3f2e59c6f4 CR3: 0000000018c9e000 CR4: 0000000000350ef0 [ 57.016006] Call Trace: [ 57.016335] [ 57.016663] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 57.017275] ipv4_frags_init_net+0x269/0x440 [ 57.017860] ops_init+0xbb/0x6b0 [ 57.018309] setup_net+0x3d9/0x990 [ 57.018807] ? down_read_killable+0x1d7/0x4e0 [ 57.019380] ? __pfx_setup_net+0x10/0x10 [ 57.019918] ? copy_net_ns+0x17c/0x770 [ 57.020449] copy_net_ns+0x321/0x770 [ 57.020931] create_new_namespaces+0x3f6/0xb30 [ 57.021554] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.022166] ksys_unshare+0x44d/0x8e0 [ 57.022710] ? __pfx_ksys_unshare+0x10/0x10 [ 57.023261] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.024004] __x64_sys_unshare+0x31/0x40 [ 57.024552] do_syscall_64+0x3f/0x90 [ 57.025032] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.025699] RIP: 0033:0x7f4d3ecab0d7 [ 57.026163] 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 [ 57.028339] RSP: 002b:00007ffd7ae91518 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.029295] RAX: ffffffffffffffda RBX: 00007ffd7ae91b58 RCX: 00007f4d3ecab0d7 [ 57.030193] RDX: 00007f4d3ed1541f RSI: 00007ffd7ae914b0 RDI: 0000000040000000 [ 57.031091] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd7ae912c0 [ 57.031974] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4d3edbdbf0 [ 57.032868] R13: 00007ffd7ae915f0 R14: 0000000000000000 R15: 00000000000000f8 [ 57.033785] [ 57.034092] irq event stamp: 8391 [ 57.034575] hardirqs last enabled at (8403): [] __up_console_sem+0x78/0x80 [ 57.035640] hardirqs last disabled at (8414): [] __up_console_sem+0x5d/0x80 [ 57.036710] softirqs last enabled at (7914): [] irq_exit_rcu+0x93/0xc0 [ 57.037750] softirqs last disabled at (7881): [] irq_exit_rcu+0x93/0xc0 [ 57.038779] ---[ end trace 0000000000000000 ]--- [ 57.044985] ------------[ cut here ]------------ [ 57.045658] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 57.047307] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.048375] Modules linked in: [ 57.048810] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.049969] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.050990] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.051667] 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 [ 57.053859] RSP: 0018:ffff88801cf4fc00 EFLAGS: 00010282 [ 57.054580] RAX: 0000000000000000 RBX: ffff888013a41a40 RCX: 0000000000000000 [ 57.055467] RDX: ffff88800ff31b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.056331] RBP: ffff888013a41a54 R08: 0000000000000001 R09: 0000000000000000 [ 57.057237] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.058142] R13: ffffffff84e223a0 R14: ffff888013a41a48 R15: ffffffff84da62e0 [ 57.059053] FS: 0000555556962400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 57.060043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.060786] CR2: 00007f3f2e59c6f4 CR3: 0000000018c9e000 CR4: 0000000000350ef0 [ 57.061677] Call Trace: [ 57.062008] [ 57.062310] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 57.062980] ipv6_frags_init_net+0x206/0x3c0 [ 57.063565] ops_init+0xbb/0x6b0 [ 57.064014] setup_net+0x3d9/0x990 [ 57.064498] ? down_read_killable+0x1d7/0x4e0 [ 57.065062] ? __pfx_setup_net+0x10/0x10 [ 57.065605] ? copy_net_ns+0x17c/0x770 [ 57.066109] copy_net_ns+0x321/0x770 [ 57.066629] create_new_namespaces+0x3f6/0xb30 [ 57.067215] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.067859] ksys_unshare+0x44d/0x8e0 [ 57.068355] ? __pfx_ksys_unshare+0x10/0x10 [ 57.068926] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.069669] __x64_sys_unshare+0x31/0x40 [ 57.070190] do_syscall_64+0x3f/0x90 [ 57.070703] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.071365] RIP: 0033:0x7f4d3ecab0d7 [ 57.071852] 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 [ 57.074035] RSP: 002b:00007ffd7ae91518 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.074999] RAX: ffffffffffffffda RBX: 00007ffd7ae91b58 RCX: 00007f4d3ecab0d7 [ 57.075881] RDX: 00007f4d3ed1541f RSI: 00007ffd7ae914b0 RDI: 0000000040000000 [ 57.076777] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd7ae912c0 [ 57.077686] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4d3edbdbf0 [ 57.078585] R13: 00007ffd7ae915f0 R14: 0000000000000000 R15: 00000000000000f8 [ 57.079495] [ 57.079799] irq event stamp: 10965 [ 57.080230] hardirqs last enabled at (10975): [] __up_console_sem+0x78/0x80 [ 57.081301] hardirqs last disabled at (10986): [] __up_console_sem+0x5d/0x80 [ 57.082371] softirqs last enabled at (10602): [] irq_exit_rcu+0x93/0xc0 [ 57.083487] softirqs last disabled at (10593): [] irq_exit_rcu+0x93/0xc0 [ 57.084524] ---[ end trace 0000000000000000 ]--- [ 57.085890] ------------[ cut here ]------------ [ 57.086523] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 57.088373] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.089450] Modules linked in: [ 57.089854] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.091010] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.092014] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.092682] 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 [ 57.094850] RSP: 0018:ffff88801cf4fbf0 EFLAGS: 00010286 [ 57.095540] RAX: 0000000000000000 RBX: ffff888015bd1c40 RCX: 0000000000000000 [ 57.096432] RDX: ffff88800ff31b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.097290] RBP: ffff888015bd1c54 R08: 0000000000000001 R09: 0000000000000000 [ 57.098177] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.099078] R13: ffffffff84e223a0 R14: ffff888015bd1c48 R15: ffffffff84daf020 [ 57.099975] FS: 0000555556962400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 57.100965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.101712] CR2: 00007f3f2e59c6f4 CR3: 0000000018c9e000 CR4: 0000000000350ef0 [ 57.102629] Call Trace: [ 57.102959] [ 57.103258] nf_ct_net_init+0x224/0x3d0 [ 57.103813] ? __pfx_nf_ct_net_init+0x10/0x10 [ 57.104391] ops_init+0xbb/0x6b0 [ 57.104869] setup_net+0x3d9/0x990 [ 57.105322] ? down_read_killable+0x1d7/0x4e0 [ 57.105923] ? __pfx_setup_net+0x10/0x10 [ 57.106483] ? copy_net_ns+0x17c/0x770 [ 57.107007] copy_net_ns+0x321/0x770 [ 57.107520] create_new_namespaces+0x3f6/0xb30 [ 57.108103] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.108753] ksys_unshare+0x44d/0x8e0 [ 57.109241] ? __pfx_ksys_unshare+0x10/0x10 [ 57.109824] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.110577] __x64_sys_unshare+0x31/0x40 [ 57.111098] do_syscall_64+0x3f/0x90 [ 57.111608] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.112255] RIP: 0033:0x7f4d3ecab0d7 [ 57.112747] 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 [ 57.114922] RSP: 002b:00007ffd7ae91518 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.115881] RAX: ffffffffffffffda RBX: 00007ffd7ae91b58 RCX: 00007f4d3ecab0d7 [ 57.116770] RDX: 00007f4d3ed1541f RSI: 00007ffd7ae914b0 RDI: 0000000040000000 [ 57.117672] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd7ae912c0 [ 57.118574] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4d3edbdbf0 [ 57.119461] R13: 00007ffd7ae915f0 R14: 0000000000000000 R15: 00000000000000f8 [ 57.120343] [ 57.120685] irq event stamp: 11797 [ 57.121119] hardirqs last enabled at (11807): [] __up_console_sem+0x78/0x80 [ 57.122267] hardirqs last disabled at (11818): [] __up_console_sem+0x5d/0x80 [ 57.123354] softirqs last enabled at (11482): [] irq_exit_rcu+0x93/0xc0 [ 57.124381] softirqs last disabled at (11477): [] irq_exit_rcu+0x93/0xc0 [ 57.125450] ---[ end trace 0000000000000000 ]--- executing program [ 58.658168] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 60.705473] Bluetooth: hci0: command 0x041b tx timeout [ 62.753484] Bluetooth: hci0: command 0x040f tx timeout executing program [ 64.801541] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:18:08 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801cf4f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555556962400 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=00007f3f2e59c6f4 CR3=0000000018c9e000 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=000000000002284f RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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=00007f90ac53a370 CR3=0000000015bb6000 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=2032323a38313a31312036312079614d XMM01=5d3032383939392e36352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d30 XMM07=6e72656b2072656c6c616b7a79732032 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000