syzkaller login: [ 53.208068] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:59690' (ECDSA) to the list of known hosts. 2023/05/17 19:39:34 fuzzer started 2023/05/17 19:39:34 dialing manager at localhost:44319 2023/05/17 19:39:34 checking machine... 2023/05/17 19:39:34 checking revisions... [ 54.434645] kmemleak: Automatic memory scanning thread ended 2023/05/17 19:39:34 testing simple program... [ 54.497050] cgroup: Unknown subsys name 'net' [ 54.550233] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 66.935156] audit: type=1400 audit(1684352387.438:6): 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 [ 68.058126] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 68.060888] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 68.063682] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 68.066811] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 68.068648] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 68.070193] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 68.468016] ------------[ cut here ]------------ [ 68.468801] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 68.470756] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.471944] Modules linked in: [ 68.472348] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 68.477318] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.478520] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.479195] 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 [ 68.481595] RSP: 0018:ffff88801f507c00 EFLAGS: 00010282 [ 68.482297] RAX: 0000000000000000 RBX: ffff88800efef040 RCX: 0000000000000000 [ 68.483357] RDX: ffff88800fdd0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 68.484576] RBP: ffff88800efef054 R08: 0000000000000001 R09: 0000000000000000 [ 68.485939] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 68.487217] R13: ffffffff84e23fe0 R14: ffff88800efef048 R15: ffffffff84d74dc0 [ 68.488531] FS: 0000555555705400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 68.489975] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.491028] CR2: 00007f57bf34e6f4 CR3: 00000000146d0000 CR4: 0000000000350ef0 [ 68.492275] Call Trace: [ 68.492928] [ 68.493330] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 68.494328] ipv4_frags_init_net+0x269/0x440 [ 68.495135] ops_init+0xbb/0x6b0 [ 68.495793] setup_net+0x3d9/0x990 [ 68.496475] ? down_read_killable+0x1d7/0x4e0 [ 68.497267] ? __pfx_setup_net+0x10/0x10 [ 68.498030] ? copy_net_ns+0x17c/0x770 [ 68.498764] copy_net_ns+0x321/0x770 [ 68.499492] create_new_namespaces+0x3f6/0xb30 [ 68.500294] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.501179] ksys_unshare+0x44d/0x8e0 [ 68.501890] ? __pfx_ksys_unshare+0x10/0x10 [ 68.502673] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.503657] __x64_sys_unshare+0x31/0x40 [ 68.504365] do_syscall_64+0x3f/0x90 [ 68.505092] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.506052] RIP: 0033:0x7fd183ed00d7 [ 68.506760] 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 [ 68.509778] RSP: 002b:00007ffcb47c0f18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 68.510769] RAX: ffffffffffffffda RBX: 00007ffcb47c1558 RCX: 00007fd183ed00d7 [ 68.511708] RDX: 00007fd183f3a41f RSI: 00007ffcb47c0eb0 RDI: 0000000040000000 [ 68.512642] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcb47c0cc0 [ 68.513580] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd183fe2bf0 [ 68.514488] R13: 00007ffcb47c0ff0 R14: 0000000000000000 R15: 00000000000000f8 [ 68.515434] [ 68.515754] irq event stamp: 9435 [ 68.516198] hardirqs last enabled at (9445): [] __up_console_sem+0x78/0x80 [ 68.517320] hardirqs last disabled at (9462): [] __up_console_sem+0x5d/0x80 [ 68.518446] softirqs last enabled at (9458): [] irq_exit_rcu+0x93/0xc0 [ 68.519513] softirqs last disabled at (9453): [] irq_exit_rcu+0x93/0xc0 [ 68.520579] ---[ end trace 0000000000000000 ]--- [ 68.526373] ------------[ cut here ]------------ [ 68.528310] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 68.530229] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.531552] Modules linked in: [ 68.531990] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 68.533356] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.534751] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.535613] 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 [ 68.538084] RSP: 0018:ffff88801f507c00 EFLAGS: 00010282 [ 68.538971] RAX: 0000000000000000 RBX: ffff88800dbcec40 RCX: 0000000000000000 [ 68.540095] RDX: ffff88800fdd0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 68.541179] RBP: ffff88800dbcec54 R08: 0000000000000001 R09: 0000000000000000 [ 68.542550] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 68.543735] R13: ffffffff84e23fe0 R14: ffff88800dbcec48 R15: ffffffff84da7d60 [ 68.544854] FS: 0000555555705400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 68.546145] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.547138] CR2: 00007f0ae5bc59b0 CR3: 00000000146d0000 CR4: 0000000000350ee0 [ 68.548281] Call Trace: [ 68.548845] [ 68.549170] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 68.550025] ipv6_frags_init_net+0x206/0x3c0 [ 68.550816] ops_init+0xbb/0x6b0 [ 68.551324] setup_net+0x3d9/0x990 [ 68.552039] ? down_read_killable+0x1d7/0x4e0 [ 68.552853] ? __pfx_setup_net+0x10/0x10 [ 68.553593] ? copy_net_ns+0x17c/0x770 [ 68.554167] copy_net_ns+0x321/0x770 [ 68.554868] create_new_namespaces+0x3f6/0xb30 [ 68.555722] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.556539] ksys_unshare+0x44d/0x8e0 [ 68.557091] ? __pfx_ksys_unshare+0x10/0x10 [ 68.557893] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.558890] __x64_sys_unshare+0x31/0x40 [ 68.559643] do_syscall_64+0x3f/0x90 [ 68.560175] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.561100] RIP: 0033:0x7fd183ed00d7 [ 68.561808] 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 [ 68.564363] RSP: 002b:00007ffcb47c0f18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 68.565768] RAX: ffffffffffffffda RBX: 00007ffcb47c1558 RCX: 00007fd183ed00d7 [ 68.566862] RDX: 00007fd183f3a41f RSI: 00007ffcb47c0eb0 RDI: 0000000040000000 [ 68.567904] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcb47c0cc0 [ 68.568886] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd183fe2bf0 [ 68.569895] R13: 00007ffcb47c0ff0 R14: 0000000000000000 R15: 00000000000000f8 [ 68.570916] [ 68.571244] irq event stamp: 14021 [ 68.571765] hardirqs last enabled at (14033): [] __up_console_sem+0x78/0x80 [ 68.572949] hardirqs last disabled at (14044): [] __up_console_sem+0x5d/0x80 [ 68.574153] softirqs last enabled at (13970): [] irq_exit_rcu+0x93/0xc0 [ 68.575301] softirqs last disabled at (13953): [] irq_exit_rcu+0x93/0xc0 [ 68.576447] ---[ end trace 0000000000000000 ]--- [ 68.578067] ------------[ cut here ]------------ [ 68.578782] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 68.580875] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.582078] Modules linked in: [ 68.582574] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 68.583854] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.584978] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.585729] 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 [ 68.588159] RSP: 0018:ffff88801f507bf0 EFLAGS: 00010286 [ 68.588916] RAX: 0000000000000000 RBX: ffff88800dbce440 RCX: 0000000000000000 [ 68.589928] RDX: ffff88800fdd0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 68.590910] RBP: ffff88800dbce454 R08: 0000000000000001 R09: 0000000000000000 [ 68.591915] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 68.592894] R13: ffffffff84e23fe0 R14: ffff88800dbce448 R15: ffffffff84db0aa0 [ 68.593882] FS: 0000555555705400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 68.594984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.595802] CR2: 00007f0ae5bc59b0 CR3: 00000000146d0000 CR4: 0000000000350ee0 [ 68.596794] Call Trace: [ 68.597155] [ 68.597517] nf_ct_net_init+0x224/0x3d0 [ 68.598116] ? __pfx_nf_ct_net_init+0x10/0x10 [ 68.598782] ops_init+0xbb/0x6b0 [ 68.599277] setup_net+0x3d9/0x990 [ 68.599812] ? down_read_killable+0x1d7/0x4e0 [ 68.600472] ? __pfx_setup_net+0x10/0x10 [ 68.601030] ? copy_net_ns+0x17c/0x770 [ 68.601623] copy_net_ns+0x321/0x770 [ 68.602170] create_new_namespaces+0x3f6/0xb30 [ 68.602850] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.603562] ksys_unshare+0x44d/0x8e0 [ 68.604100] ? __pfx_ksys_unshare+0x10/0x10 [ 68.604741] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.605552] __x64_sys_unshare+0x31/0x40 [ 68.606133] do_syscall_64+0x3f/0x90 [ 68.606700] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.607449] RIP: 0033:0x7fd183ed00d7 [ 68.607964] 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 [ 68.610371] RSP: 002b:00007ffcb47c0f18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 68.611449] RAX: ffffffffffffffda RBX: 00007ffcb47c1558 RCX: 00007fd183ed00d7 [ 68.612434] RDX: 00007fd183f3a41f RSI: 00007ffcb47c0eb0 RDI: 0000000040000000 [ 68.613413] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcb47c0cc0 [ 68.614416] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd183fe2bf0 [ 68.615364] R13: 00007ffcb47c0ff0 R14: 0000000000000000 R15: 00000000000000f8 [ 68.616372] [ 68.616737] irq event stamp: 14815 [ 68.617220] hardirqs last enabled at (14825): [] __up_console_sem+0x78/0x80 [ 68.618426] hardirqs last disabled at (14836): [] __up_console_sem+0x5d/0x80 [ 68.619610] softirqs last enabled at (14436): [] irq_exit_rcu+0x93/0xc0 [ 68.620757] softirqs last disabled at (14427): [] irq_exit_rcu+0x93/0xc0 [ 68.621931] ---[ end trace 0000000000000000 ]--- executing program [ 70.144167] Bluetooth: hci0: command 0x0409 tx timeout [ 72.191488] Bluetooth: hci0: command 0x041b tx timeout executing program [ 74.239496] Bluetooth: hci0: command 0x040f tx timeout executing program [ 76.287474] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 19:39:31 Registers: info registers vcpu 0 RAX=0000000000000049 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f5075f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000049 R11=0000000000000001 R12=0000000000000049 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 0000555555705400 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=00007f57bf34e6f4 CR3=00000000146d0000 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=00000000000566a9 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000206 [-----P-] 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=00007f0ae5b26e10 CR3=000000000d626000 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=12cc0d6ccb90eca32d4cf032a6092a0b XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=67ed2df06efb1f0a000000000013d138 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=0771d24194ac5d6e00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000