syzkaller login: [ 39.086693] ------------[ cut here ]------------ [ 39.087601] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.089633] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.091085] Modules linked in: [ 39.091768] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.093741] Tainted: [W]=WARN [ 39.094287] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.095726] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.096639] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.099765] RSP: 0018:ffff88801a4dfbc0 EFLAGS: 00010286 [ 39.100733] RAX: 0000000000000000 RBX: ffffed100349bf78 RCX: ffffffff813a4050 [ 39.101994] RDX: ffff888016395340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.103280] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100349bf2f [ 39.104555] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.105813] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a4dfdf8 [ 39.107082] FS: 00007fced5f76900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.108513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.109584] CR2: 00007fced6468580 CR3: 000000000d206000 CR4: 0000000000350ef0 [ 39.110871] Call Trace: [ 39.111379] [ 39.111787] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.112690] ? __create_object+0x59/0x80 [ 39.113464] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.114411] __vmalloc_noprof+0x59/0x60 [ 39.115107] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.115967] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.116892] bpf_prog_alloc+0x39/0x200 [ 39.117611] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.118526] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.119430] do_seccomp+0x349/0x25e0 [ 39.120108] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.121020] ? __pfx_do_seccomp+0x10/0x10 [ 39.121802] ? find_held_lock+0x2b/0x80 [ 39.122570] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.123541] ? static_key_count+0x60/0x80 [ 39.124363] prctl_set_seccomp+0x4e/0x70 [ 39.125105] __do_sys_prctl+0xe6c/0x1d70 [ 39.125896] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.126767] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.127746] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.128748] ? irqentry_exit+0xf3/0x650 [ 39.129527] do_syscall_64+0xbf/0x430 [ 39.130232] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.131201] RIP: 0033:0x7fced64685cd [ 39.131918] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.135122] RSP: 002b:00007ffe4b3a7c70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.136500] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fced64685cd [ 39.137780] RDX: 0000558897ae5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.139065] RBP: 00007ffe4b3a7cd0 R08: 0000000000000000 R09: 00007ffe4b3a7370 [ 39.140366] R10: 0000000000000000 R11: 0000000000000246 R12: 00005588a9569ad0 [ 39.141633] R13: 00007ffe4b3a8100 R14: 00005588a956abc0 R15: 00005588a957b780 [ 39.142940] [ 39.143391] irq event stamp: 1753 [ 39.144004] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 39.145559] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 39.147103] softirqs last enabled at (1654): [] handle_softirqs+0x50c/0x770 [ 39.148686] softirqs last disabled at (1649): [] __irq_exit_rcu+0xc4/0x100 [ 39.150025] ---[ end trace 0000000000000000 ]--- [ 42.084852] ------------[ cut here ]------------ [ 42.085264] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.086236] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.086904] Modules linked in: [ 42.087174] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.088114] Tainted: [W]=WARN [ 42.088400] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.089051] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.089477] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.090944] RSP: 0018:ffff88801798fbc0 EFLAGS: 00010286 [ 42.091394] RAX: 0000000000000000 RBX: ffffed1002f31f78 RCX: ffffffff813a4050 [ 42.091963] RDX: ffff88801cc63780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.092567] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f31f2f [ 42.093137] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.093729] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801798fdf8 [ 42.094301] FS: 00007fc07e6b8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.094968] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.095459] CR2: 00007ffcd3db0ef8 CR3: 0000000020e1f000 CR4: 0000000000350ef0 [ 42.096031] Call Trace: [ 42.096250] [ 42.096457] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.096846] ? __create_object+0x59/0x80 [ 42.097185] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.097634] __vmalloc_noprof+0x59/0x60 [ 42.097963] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.098363] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.098770] bpf_prog_alloc+0x39/0x200 [ 42.099089] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.099516] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.099906] do_seccomp+0x349/0x25e0 [ 42.100214] ? find_held_lock+0x2b/0x80 [ 42.100579] ? do_prlimit+0x310/0x610 [ 42.100903] ? __pfx_do_seccomp+0x10/0x10 [ 42.101240] ? do_raw_spin_unlock+0x53/0x220 [ 42.101621] ? _raw_spin_unlock+0x1e/0x40 [ 42.101962] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.102401] ? static_key_count+0x60/0x80 [ 42.102746] prctl_set_seccomp+0x4e/0x70 [ 42.103078] __do_sys_prctl+0xe6c/0x1d70 [ 42.103437] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.103809] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.104237] ? irqentry_exit+0xf3/0x650 [ 42.104591] do_syscall_64+0xbf/0x430 [ 42.104914] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.105351] RIP: 0033:0x7fc07ebaa5cd [ 42.105653] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.107108] RSP: 002b:00007ffcd3dae880 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.107732] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc07ebaa5cd [ 42.108308] RDX: 00005649645b2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.108893] RBP: 00007ffcd3dae8e0 R08: 0000000000000000 R09: 00007ffcd3dadf80 [ 42.109477] R10: 0000000000000000 R11: 0000000000000246 R12: 00005649a34ea2b0 [ 42.110043] R13: 00007ffcd3daed10 R14: 00005649a34ecd20 R15: 00005649a34fe8d0 [ 42.110642] [ 42.110835] irq event stamp: 1625 [ 42.111114] hardirqs last enabled at (1633): [] __up_console_sem+0x78/0x80 [ 42.111808] hardirqs last disabled at (1642): [] __up_console_sem+0x5d/0x80 [ 42.112511] softirqs last enabled at (1180): [] handle_softirqs+0x50c/0x770 [ 42.113198] softirqs last disabled at (1171): [] __irq_exit_rcu+0xc4/0x100 [ 42.113888] ---[ end trace 0000000000000000 ]--- [ 42.696207] ------------[ cut here ]------------ [ 42.696638] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.697528] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.698156] Modules linked in: [ 42.698442] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.699299] Tainted: [W]=WARN [ 42.699571] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.700199] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.700614] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.702021] RSP: 0018:ffff888016f8fbc0 EFLAGS: 00010286 [ 42.702455] RAX: 0000000000000000 RBX: ffffed1002df1f78 RCX: ffffffff813a4050 [ 42.703008] RDX: ffff8880177b1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.703580] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002df1f2f [ 42.704127] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.704704] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f8fdf8 [ 42.705253] FS: 00007fb5c18b6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.705898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.706366] CR2: 00007fb5c1da8580 CR3: 0000000016de3000 CR4: 0000000000350ef0 [ 42.706913] Call Trace: [ 42.707118] [ 42.707301] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.707703] ? __create_object+0x59/0x80 [ 42.708029] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.708461] __vmalloc_noprof+0x59/0x60 [ 42.708778] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.709146] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.709564] bpf_prog_alloc+0x39/0x200 [ 42.709879] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.710268] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.710675] do_seccomp+0x349/0x25e0 [ 42.710977] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.711374] ? __pfx_do_seccomp+0x10/0x10 [ 42.711704] ? find_held_lock+0x2b/0x80 [ 42.712020] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.712459] ? static_key_count+0x60/0x80 [ 42.712798] prctl_set_seccomp+0x4e/0x70 [ 42.713121] __do_sys_prctl+0xe6c/0x1d70 [ 42.713470] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.713831] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.714238] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.714673] ? irqentry_exit+0xf3/0x650 [ 42.714997] do_syscall_64+0xbf/0x430 [ 42.715305] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.715731] RIP: 0033:0x7fb5c1da85cd [ 42.716024] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.717439] RSP: 002b:00007ffc4550e0d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.718024] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb5c1da85cd [ 42.718593] RDX: 000056209ac82e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.719142] RBP: 00007ffc4550e130 R08: 0000000000000000 R09: 00007ffc4550d7d0 [ 42.719735] R10: 0000000000000000 R11: 0000000000000246 R12: 000056209f949ad0 [ 42.720309] R13: 00007ffc4550e560 R14: 000056209f94abc0 R15: 000056209f95b780 [ 42.720916] [ 42.721108] irq event stamp: 1869 [ 42.721411] hardirqs last enabled at (1879): [] __up_console_sem+0x78/0x80 [ 42.722091] hardirqs last disabled at (1886): [] __up_console_sem+0x5d/0x80 [ 42.722785] softirqs last enabled at (1428): [] handle_softirqs+0x50c/0x770 [ 42.723495] softirqs last disabled at (1419): [] __irq_exit_rcu+0xc4/0x100 [ 42.724163] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:15896' (ECDSA) to the list of known hosts. 2025/11/19 03:31:39 fuzzer started 2025/11/19 03:31:39 dialing manager at localhost:34383 2025/11/19 03:31:39 checking machine... 2025/11/19 03:31:39 checking revisions... [ 43.415425] kmemleak: Automatic memory scanning thread ended 2025/11/19 03:31:40 testing simple program... [ 43.485158] cgroup: Unknown subsys name 'net' [ 43.548692] cgroup: Unknown subsys name 'cpuset' [ 43.567693] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:31:39 Registers: info registers vcpu 0 RAX=ffffffff83c70673 RBX=ffffffff868fa7e0 RCX=ffffffff83c70620 RDX=0000000000000000 RSI=ffffffff86d774d4 RDI=ffffffff868fa7d4 RBP=ffffffff868fa7d4 RSP=ffff88806ce08978 R8 =ffffffff86d774d4 R9 =0000000000000000 R10=000000000003c9ed R11=000000000009a88e R12=ffffffff868fa7dc R13=ffffffff868fa7d4 R14=ffffffff868fa7d4 R15=dffffc0000000000 RIP=ffffffff8135dacf RFL=00000293 [--S-A-C] 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 00007f1ed3761700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc07e678008 CR3=000000000bc57000 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=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3034325b646873732039333a3133 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363031 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001b805 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdc809044a0 CR3=000000000d0cf000 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=3d52b42c20531b9db44018b4371fdfbf XMM02=2c67c8bc2e329bc30000000000305490 XMM03=fb795ef6d65770560000000000310648 XMM04=9e0a02b4a30973f000000000000ae988 XMM05=172bcb3a656603000000000000321158 XMM06=474038aa6c007e1f0000000000320568 XMM07=e042d86d42eb936e00000000003108c8 XMM08=a0cf3fa1309d003800000000003054f0 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000