syzkaller login: [ 46.437255] ------------[ cut here ]------------ [ 46.438183] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.440212] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 46.441677] Modules linked in: [ 46.442309] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.444294] Tainted: [W]=WARN [ 46.444849] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.446303] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.447228] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 46.450377] RSP: 0018:ffff888017b47bc0 EFLAGS: 00010286 [ 46.451355] RAX: 0000000000000000 RBX: ffffed1002f68f78 RCX: ffffffff813a4050 [ 46.452628] RDX: ffff888016128000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.453891] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f68f2f [ 46.455190] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.456473] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017b47df8 [ 46.457754] FS: 00007fd751d21900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.459252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.460359] CR2: 00007fd752213580 CR3: 0000000009d05000 CR4: 0000000000350ef0 [ 46.461644] Call Trace: [ 46.462134] [ 46.462544] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.463454] ? __create_object+0x59/0x80 [ 46.464227] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.465190] __vmalloc_noprof+0x59/0x60 [ 46.465903] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.466761] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.467787] bpf_prog_alloc+0x39/0x200 [ 46.468541] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.469464] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.470361] do_seccomp+0x349/0x25e0 [ 46.471083] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.471938] ? __pfx_do_seccomp+0x10/0x10 [ 46.472719] ? find_held_lock+0x2b/0x80 [ 46.473468] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.474409] ? static_key_count+0x60/0x80 [ 46.475209] prctl_set_seccomp+0x4e/0x70 [ 46.475963] __do_sys_prctl+0xe6c/0x1d70 [ 46.476733] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.477566] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.478516] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.479495] ? irqentry_exit+0xf3/0x650 [ 46.480255] do_syscall_64+0xbf/0x430 [ 46.480948] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.481903] RIP: 0033:0x7fd7522135cd [ 46.482611] 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 [ 46.485747] RSP: 002b:00007ffe58f376f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.487088] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd7522135cd [ 46.488346] RDX: 00005611e2244e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.489617] RBP: 00007ffe58f37750 R08: 0000000000000000 R09: 00007ffe58f36df0 [ 46.490895] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561210452240 [ 46.492174] R13: 00007ffe58f37b80 R14: 0000561210451bf0 R15: 00005612104664d0 [ 46.493460] [ 46.493886] irq event stamp: 1767 [ 46.494522] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 46.496068] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 46.497594] softirqs last enabled at (1746): [] handle_softirqs+0x50c/0x770 [ 46.499135] softirqs last disabled at (1741): [] __irq_exit_rcu+0xc4/0x100 [ 46.500637] ---[ end trace 0000000000000000 ]--- [ 49.707257] ------------[ cut here ]------------ [ 49.707981] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.709685] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 49.710944] Modules linked in: [ 49.711504] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.713161] Tainted: [W]=WARN [ 49.713624] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.714850] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.715638] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 49.718291] RSP: 0018:ffff888017567bc0 EFLAGS: 00010286 [ 49.719114] RAX: 0000000000000000 RBX: ffffed1002eacf78 RCX: ffffffff813a4050 [ 49.720190] RDX: ffff888017b45340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.721279] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eacf2f [ 49.722371] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.723449] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017567df8 [ 49.724543] FS: 00007f1f22766900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.725743] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.726625] CR2: 00007f1f22c58580 CR3: 0000000009cf5000 CR4: 0000000000350ef0 [ 49.727721] Call Trace: [ 49.728142] [ 49.728481] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.729221] ? __create_object+0x59/0x80 [ 49.729837] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.730657] __vmalloc_noprof+0x59/0x60 [ 49.731312] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.732014] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.732808] bpf_prog_alloc+0x39/0x200 [ 49.733425] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.734198] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.734933] do_seccomp+0x349/0x25e0 [ 49.735538] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.736285] ? __pfx_do_seccomp+0x10/0x10 [ 49.736904] ? find_held_lock+0x2b/0x80 [ 49.737552] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.738353] ? static_key_count+0x60/0x80 [ 49.739004] prctl_set_seccomp+0x4e/0x70 [ 49.739651] __do_sys_prctl+0xe6c/0x1d70 [ 49.740308] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.740990] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.741795] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.742608] ? irqentry_exit+0xf3/0x650 [ 49.743271] do_syscall_64+0xbf/0x430 [ 49.743846] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.744654] RIP: 0033:0x7f1f22c585cd [ 49.745236] 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 [ 49.747903] RSP: 002b:00007ffd7eef4720 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.749060] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1f22c585cd [ 49.750130] RDX: 0000558732646e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.751206] RBP: 00007ffd7eef4780 R08: 0000000000000000 R09: 00007ffd7eef3e20 [ 49.752283] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558771ffbbf0 [ 49.753368] R13: 00007ffd7eef4bb0 R14: 0000558772005380 R15: 0000558772010460 [ 49.754459] [ 49.754813] irq event stamp: 1675 [ 49.755369] hardirqs last enabled at (1685): [] __up_console_sem+0x78/0x80 [ 49.756642] hardirqs last disabled at (1694): [] __up_console_sem+0x5d/0x80 [ 49.757927] softirqs last enabled at (1170): [] handle_softirqs+0x50c/0x770 [ 49.759257] softirqs last disabled at (1713): [] __irq_exit_rcu+0xc4/0x100 [ 49.760536] ---[ end trace 0000000000000000 ]--- [ 50.555130] ------------[ cut here ]------------ [ 50.555982] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.557996] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/259 [ 50.559500] Modules linked in: [ 50.560129] CPU: 0 UID: 104 PID: 259 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.562146] Tainted: [W]=WARN [ 50.562709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.564213] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.565144] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 50.568421] RSP: 0018:ffff888017817bc0 EFLAGS: 00010286 [ 50.569431] RAX: 0000000000000000 RBX: ffffed1002f02f78 RCX: ffffffff813a4050 [ 50.570744] RDX: ffff888017409bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.572072] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f02f2f [ 50.573378] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.574679] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017817df8 [ 50.576005] FS: 00007f2b9287b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.577495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.578577] CR2: 00007ffeece79ef8 CR3: 000000000cf79000 CR4: 0000000000350ef0 [ 50.579900] Call Trace: [ 50.580421] [ 50.580840] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.581754] ? __create_object+0x59/0x80 [ 50.582556] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.583560] __vmalloc_noprof+0x59/0x60 [ 50.584332] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.585236] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.586192] bpf_prog_alloc+0x39/0x200 [ 50.586909] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.587856] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.588765] do_seccomp+0x349/0x25e0 [ 50.589483] ? find_held_lock+0x2b/0x80 [ 50.590260] ? do_prlimit+0x310/0x610 [ 50.590985] ? __pfx_do_seccomp+0x10/0x10 [ 50.591788] ? do_raw_spin_unlock+0x53/0x220 [ 50.592621] ? _raw_spin_unlock+0x1e/0x40 [ 50.593422] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.594404] ? static_key_count+0x60/0x80 [ 50.595236] prctl_set_seccomp+0x4e/0x70 [ 50.595983] __do_sys_prctl+0xe6c/0x1d70 [ 50.596780] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.597647] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.598635] ? irqentry_exit+0xf3/0x650 [ 50.599434] do_syscall_64+0xbf/0x430 [ 50.600194] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.601168] RIP: 0033:0x7f2b92d6d5cd [ 50.601839] 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 [ 50.605083] RSP: 002b:00007ffeece77480 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.606477] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2b92d6d5cd [ 50.607803] RDX: 000055b347b3ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.609124] RBP: 00007ffeece774e0 R08: 0000000000000000 R09: 00007ffeece76b80 [ 50.610435] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b351838ad0 [ 50.611756] R13: 00007ffeece77910 R14: 000055b351839bc0 R15: 000055b35184a780 [ 50.613091] [ 50.613524] irq event stamp: 1733 [ 50.614190] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 50.615761] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 50.617311] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 50.618888] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 50.620384] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:6631' (ECDSA) to the list of known hosts. 2025/11/18 06:49:09 fuzzer started 2025/11/18 06:49:10 dialing manager at localhost:37895 2025/11/18 06:49:10 checking machine... 2025/11/18 06:49:10 checking revisions... [ 51.533126] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:49:10 testing simple program... [ 51.628649] cgroup: Unknown subsys name 'net' [ 51.696006] cgroup: Unknown subsys name 'cpuset' [ 51.713542] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 06:49:09 Registers: info registers vcpu 0 RAX=0000000080010002 RBX=ffff88806ce37d08 RCX=ffffffff84c34651 RDX=ffff88806ce37d08 RSI=ffffffff84c3460a RDI=0000000000000006 RBP=ffff88806ce28e58 RSP=ffff88806ce08de8 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=00000017cfd937d6 R11=0000000000000001 R12=dffffc0000000000 R13=0000000bb4be2340 R14=0000000000000001 R15=ffff88800f4e7d98 RIP=ffffffff84c34627 RFL=00000082 [--S----] 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000558772023318 CR3=000000001c900000 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=39343a363020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3035325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343633 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=1ffffffff0d1fc03 RBX=ffffffff868fe018 RCX=ffffffff83cb87bf RDX=0000000000000000 RSI=ffffffff86d7ca4a RDI=ffffffff868fe010 RBP=ffffffff868fe010 RSP=ffff88801a6175d8 R8 =ffffffff86d7ca4a R9 =0000000000000000 R10=000000000003c9ed R11=000000000009b717 R12=ffffffff868fe020 R13=ffffffff868fe010 R14=ffffffff868fe010 R15=dffffc0000000000 RIP=ffffffff8135daaf RFL=00000216 [----AP-] 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 00007f1f22766900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd7eeee000 CR3=000000000d2ac000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000