Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:52784' (ECDSA) to the list of known hosts. 2023/05/16 11:16:55 fuzzer started 2023/05/16 11:16:55 dialing manager at localhost:35573 2023/05/16 11:16:55 checking machine... 2023/05/16 11:16:55 checking revisions... syzkaller login: [ 38.823724] kmemleak: Automatic memory scanning thread ended 2023/05/16 11:16:55 testing simple program... [ 38.894803] cgroup: Unknown subsys name 'net' [ 38.984506] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.907001] audit: type=1400 audit(1684235829.024:6): avc: denied { execmem } for pid=261 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 53.027562] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.029357] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.031468] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.034884] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.036842] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.038022] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.447743] ------------[ cut here ]------------ [ 53.448386] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.450488] WARNING: CPU: 0 PID: 262 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.451756] Modules linked in: [ 53.452149] CPU: 0 PID: 262 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.453380] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.458032] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.458800] 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 [ 53.461056] RSP: 0018:ffff888016cefc00 EFLAGS: 00010282 [ 53.461824] RAX: 0000000000000000 RBX: ffff88800f330440 RCX: 0000000000000000 [ 53.462795] RDX: ffff88800a05d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.463762] RBP: ffff88800f330454 R08: 0000000000000001 R09: 0000000000000000 [ 53.464768] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.465735] R13: ffffffff84e223a0 R14: ffff88800f330448 R15: ffffffff84d73340 [ 53.466707] FS: 0000555556744400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.467777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.468482] CR2: 00007f76f4dbb6f4 CR3: 000000001452a000 CR4: 0000000000350ef0 [ 53.469453] Call Trace: [ 53.469911] [ 53.470205] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.470939] ipv4_frags_init_net+0x269/0x440 [ 53.471501] ops_init+0xbb/0x6b0 [ 53.472064] setup_net+0x3d9/0x990 [ 53.472631] ? down_read_killable+0x1d7/0x4e0 [ 53.473211] ? __pfx_setup_net+0x10/0x10 [ 53.473829] ? copy_net_ns+0x17c/0x770 [ 53.474330] copy_net_ns+0x321/0x770 [ 53.474955] create_new_namespaces+0x3f6/0xb30 [ 53.475688] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.476310] ksys_unshare+0x44d/0x8e0 [ 53.476862] ? __pfx_ksys_unshare+0x10/0x10 [ 53.477415] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.478161] __x64_sys_unshare+0x31/0x40 [ 53.478714] do_syscall_64+0x3f/0x90 [ 53.479199] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.479882] RIP: 0033:0x7fbebb4b50d7 [ 53.480350] 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 [ 53.482560] RSP: 002b:00007ffcd3bded78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.483479] RAX: ffffffffffffffda RBX: 00007ffcd3bdf3b8 RCX: 00007fbebb4b50d7 [ 53.484387] RDX: 00007fbebb51f41f RSI: 00007ffcd3bded10 RDI: 0000000040000000 [ 53.485297] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcd3bdeb20 [ 53.486199] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbebb5c7bf0 [ 53.487090] R13: 00007ffcd3bdee50 R14: 0000000000000000 R15: 00000000000000f8 [ 53.488061] [ 53.488365] irq event stamp: 11515 [ 53.488858] hardirqs last enabled at (11527): [] __up_console_sem+0x78/0x80 [ 53.489931] hardirqs last disabled at (11538): [] __up_console_sem+0x5d/0x80 [ 53.491016] softirqs last enabled at (11500): [] irq_exit_rcu+0x93/0xc0 [ 53.492078] softirqs last disabled at (11489): [] irq_exit_rcu+0x93/0xc0 [ 53.493129] ---[ end trace 0000000000000000 ]--- [ 53.499588] ------------[ cut here ]------------ [ 53.500185] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.502051] WARNING: CPU: 0 PID: 262 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.503136] Modules linked in: [ 53.503668] CPU: 0 PID: 262 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.504929] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.506305] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.507121] 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 [ 53.509458] RSP: 0018:ffff888016cefc00 EFLAGS: 00010282 [ 53.510161] RAX: 0000000000000000 RBX: ffff88800cbbb040 RCX: 0000000000000000 [ 53.511142] RDX: ffff88800a05d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.512182] RBP: ffff88800cbbb054 R08: 0000000000000001 R09: 0000000000000000 [ 53.513231] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.514301] R13: ffffffff84e223a0 R14: ffff88800cbbb048 R15: ffffffff84da62e0 [ 53.515332] FS: 0000555556744400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.516319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.517055] CR2: 00007f76f4dbb6f4 CR3: 000000001452a000 CR4: 0000000000350ef0 [ 53.517935] Call Trace: [ 53.518261] [ 53.518587] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.519191] ipv6_frags_init_net+0x206/0x3c0 [ 53.519773] ops_init+0xbb/0x6b0 [ 53.520216] setup_net+0x3d9/0x990 [ 53.520710] ? down_read_killable+0x1d7/0x4e0 [ 53.521270] ? __pfx_setup_net+0x10/0x10 [ 53.521801] ? copy_net_ns+0x17c/0x770 [ 53.522306] copy_net_ns+0x321/0x770 [ 53.522812] create_new_namespaces+0x3f6/0xb30 [ 53.523392] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.524030] ksys_unshare+0x44d/0x8e0 [ 53.524548] ? __pfx_ksys_unshare+0x10/0x10 [ 53.525113] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.525857] __x64_sys_unshare+0x31/0x40 [ 53.526371] do_syscall_64+0x3f/0x90 [ 53.526870] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.527506] RIP: 0033:0x7fbebb4b50d7 [ 53.527997] 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 [ 53.530156] RSP: 002b:00007ffcd3bded78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.531094] RAX: ffffffffffffffda RBX: 00007ffcd3bdf3b8 RCX: 00007fbebb4b50d7 [ 53.531976] RDX: 00007fbebb51f41f RSI: 00007ffcd3bded10 RDI: 0000000040000000 [ 53.532860] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcd3bdeb20 [ 53.533743] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbebb5c7bf0 [ 53.534620] R13: 00007ffcd3bdee50 R14: 0000000000000000 R15: 00000000000000f8 [ 53.535483] [ 53.535830] irq event stamp: 13835 [ 53.536263] hardirqs last enabled at (13845): [] __up_console_sem+0x78/0x80 [ 53.537357] hardirqs last disabled at (13856): [] __up_console_sem+0x5d/0x80 [ 53.538437] softirqs last enabled at (13830): [] irq_exit_rcu+0x93/0xc0 [ 53.539469] softirqs last disabled at (13821): [] irq_exit_rcu+0x93/0xc0 [ 53.540486] ---[ end trace 0000000000000000 ]--- [ 53.541889] ------------[ cut here ]------------ [ 53.542466] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.544420] WARNING: CPU: 0 PID: 262 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.545504] Modules linked in: [ 53.545933] CPU: 0 PID: 262 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.547075] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.548079] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.548760] 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 [ 53.550913] RSP: 0018:ffff888016cefbf0 EFLAGS: 00010286 [ 53.551602] RAX: 0000000000000000 RBX: ffff88800cbba840 RCX: 0000000000000000 [ 53.552449] RDX: ffff88800a05d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.553337] RBP: ffff88800cbba854 R08: 0000000000000001 R09: 0000000000000000 [ 53.554224] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.555113] R13: ffffffff84e223a0 R14: ffff88800cbba848 R15: ffffffff84daf020 [ 53.555994] FS: 0000555556744400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.557011] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.557737] CR2: 00007f76f4dbb6f4 CR3: 000000001452a000 CR4: 0000000000350ef0 [ 53.558658] Call Trace: [ 53.558983] [ 53.559281] nf_ct_net_init+0x224/0x3d0 [ 53.559830] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.560401] ops_init+0xbb/0x6b0 [ 53.560884] setup_net+0x3d9/0x990 [ 53.561332] ? down_read_killable+0x1d7/0x4e0 [ 53.561931] ? __pfx_setup_net+0x10/0x10 [ 53.562440] ? copy_net_ns+0x17c/0x770 [ 53.562975] copy_net_ns+0x321/0x770 [ 53.563456] create_new_namespaces+0x3f6/0xb30 [ 53.564070] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.564737] ksys_unshare+0x44d/0x8e0 [ 53.565226] ? __pfx_ksys_unshare+0x10/0x10 [ 53.565797] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.566505] __x64_sys_unshare+0x31/0x40 [ 53.567048] do_syscall_64+0x3f/0x90 [ 53.567554] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.568193] RIP: 0033:0x7fbebb4b50d7 [ 53.568693] 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 [ 53.570832] RSP: 002b:00007ffcd3bded78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.571780] RAX: ffffffffffffffda RBX: 00007ffcd3bdf3b8 RCX: 00007fbebb4b50d7 [ 53.572667] RDX: 00007fbebb51f41f RSI: 00007ffcd3bded10 RDI: 0000000040000000 [ 53.573574] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcd3bdeb20 [ 53.574427] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbebb5c7bf0 [ 53.575319] R13: 00007ffcd3bdee50 R14: 0000000000000000 R15: 00000000000000f8 [ 53.576246] [ 53.576612] irq event stamp: 14713 [ 53.577072] hardirqs last enabled at (14723): [] __up_console_sem+0x78/0x80 [ 53.578155] hardirqs last disabled at (14734): [] __up_console_sem+0x5d/0x80 [ 53.579227] softirqs last enabled at (14398): [] irq_exit_rcu+0x93/0xc0 [ 53.580283] softirqs last disabled at (14391): [] irq_exit_rcu+0x93/0xc0 [ 53.581334] ---[ end trace 0000000000000000 ]--- executing program [ 55.104138] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.151576] Bluetooth: hci0: command 0x041b tx timeout [ 59.199575] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.248622] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:17:09 Registers: info registers vcpu 0 RAX=0000000000000038 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888016cef618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000038 R11=0000000000000001 R12=0000000000000038 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 0000555556744400 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=00007f76f4dbb6f4 CR3=000000001452a000 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=0000000000034407 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=00007f6df6e6fd50 CR3=000000001640c000 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=404e7e23a21ae287e3491b81960a119e XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f60000000000118948 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=a1cd011b81c601d000000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000