syzkaller login: [ 46.319203] ------------[ cut here ]------------ [ 46.320158] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.322177] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 46.323634] Modules linked in: [ 46.324303] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.326291] Tainted: [W]=WARN [ 46.326919] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.328378] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.329293] 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 [ 46.332429] RSP: 0018:ffff88801aaefbc0 EFLAGS: 00010286 [ 46.333405] RAX: 0000000000000000 RBX: ffffed100355df78 RCX: ffffffff813a4050 [ 46.334680] RDX: ffff888015c93780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.335976] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100355df2f [ 46.337244] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.338518] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801aaefdf8 [ 46.339817] FS: 00007f5e6ae8b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.341273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.342329] CR2: 00007ffc4ed54ef7 CR3: 000000001d42f000 CR4: 0000000000350ef0 [ 46.343604] Call Trace: [ 46.344107] [ 46.344513] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.345403] ? __create_object+0x59/0x80 [ 46.346179] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.347156] __vmalloc_noprof+0x59/0x60 [ 46.347902] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.348769] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.349649] bpf_prog_alloc+0x39/0x200 [ 46.350383] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.351313] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.352204] do_seccomp+0x349/0x25e0 [ 46.352925] ? find_held_lock+0x2b/0x80 [ 46.353636] ? do_prlimit+0x310/0x610 [ 46.354376] ? __pfx_do_seccomp+0x10/0x10 [ 46.355174] ? do_raw_spin_unlock+0x53/0x220 [ 46.356005] ? _raw_spin_unlock+0x1e/0x40 [ 46.356790] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.357700] ? static_key_count+0x60/0x80 [ 46.358505] prctl_set_seccomp+0x4e/0x70 [ 46.359291] __do_sys_prctl+0xe6c/0x1d70 [ 46.360079] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.360933] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.361903] ? irqentry_exit+0xf3/0x650 [ 46.362616] do_syscall_64+0xbf/0x430 [ 46.363369] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.364313] RIP: 0033:0x7f5e6b37d5cd [ 46.365008] 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 [ 46.368156] RSP: 002b:00007ffc4ed52e50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.369503] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5e6b37d5cd [ 46.370783] RDX: 000055add3c8ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.372060] RBP: 00007ffc4ed52eb0 R08: 0000000000000000 R09: 00007ffc4ed52550 [ 46.373339] R10: 0000000000000000 R11: 0000000000000246 R12: 000055add7af1ad0 [ 46.374611] R13: 00007ffc4ed532e0 R14: 000055add7af2bc0 R15: 000055add7b03780 [ 46.375910] [ 46.376327] irq event stamp: 1815 [ 46.376977] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80 [ 46.378494] hardirqs last disabled at (1834): [] __up_console_sem+0x5d/0x80 [ 46.380019] softirqs last enabled at (1784): [] handle_softirqs+0x50c/0x770 [ 46.381525] softirqs last disabled at (1779): [] __irq_exit_rcu+0xc4/0x100 [ 46.383041] ---[ end trace 0000000000000000 ]--- [ 49.994009] ------------[ cut here ]------------ [ 49.994974] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.996981] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.998428] Modules linked in: [ 49.999076] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.001039] Tainted: [W]=WARN [ 50.001576] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.003048] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.003955] 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 [ 50.007107] RSP: 0018:ffff888017597bc0 EFLAGS: 00010286 [ 50.008087] RAX: 0000000000000000 RBX: ffffed1002eb2f78 RCX: ffffffff813a4050 [ 50.009355] RDX: ffff888016a58000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.010633] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eb2f2f [ 50.011933] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.013189] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017597df8 [ 50.014455] FS: 00007fdb1e1d2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.015895] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.016942] CR2: 00007fdb1e6c4580 CR3: 000000001bff7000 CR4: 0000000000350ef0 [ 50.018221] Call Trace: [ 50.018674] [ 50.019140] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.020030] ? __create_object+0x59/0x80 [ 50.020812] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.021779] __vmalloc_noprof+0x59/0x60 [ 50.022484] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.023354] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.024274] bpf_prog_alloc+0x39/0x200 [ 50.025013] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.025933] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.026885] do_seccomp+0x349/0x25e0 [ 50.027559] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.028445] ? __pfx_do_seccomp+0x10/0x10 [ 50.029224] ? find_held_lock+0x2b/0x80 [ 50.029973] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.030935] ? static_key_count+0x60/0x80 [ 50.031683] prctl_set_seccomp+0x4e/0x70 [ 50.032457] __do_sys_prctl+0xe6c/0x1d70 [ 50.033233] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.034091] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.035054] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.036008] ? irqentry_exit+0xf3/0x650 [ 50.036765] do_syscall_64+0xbf/0x430 [ 50.037447] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.038387] RIP: 0033:0x7fdb1e6c45cd [ 50.039092] 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 [ 50.042161] RSP: 002b:00007ffe4c1dd770 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.043521] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdb1e6c45cd [ 50.044780] RDX: 0000559ed6857e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.046050] RBP: 00007ffe4c1dd7d0 R08: 0000000000000000 R09: 00007ffe4c1dce70 [ 50.047337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559f1627bad0 [ 50.048602] R13: 00007ffe4c1ddc00 R14: 0000559f1627cbc0 R15: 0000559f1628d780 [ 50.049889] [ 50.050305] irq event stamp: 1697 [ 50.050958] hardirqs last enabled at (1707): [] __up_console_sem+0x78/0x80 [ 50.052447] hardirqs last disabled at (1716): [] __up_console_sem+0x5d/0x80 [ 50.053961] softirqs last enabled at (1676): [] handle_softirqs+0x50c/0x770 [ 50.055485] softirqs last disabled at (1671): [] __irq_exit_rcu+0xc4/0x100 [ 50.056971] ---[ end trace 0000000000000000 ]--- [ 50.830654] ------------[ cut here ]------------ [ 50.831698] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.834053] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 50.835904] Modules linked in: [ 50.836511] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.838529] Tainted: [W]=WARN [ 50.839163] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.840643] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.841593] 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 [ 50.844819] RSP: 0018:ffff8880171dfbc0 EFLAGS: 00010286 [ 50.845831] RAX: 0000000000000000 RBX: ffffed1002e3bf78 RCX: ffffffff813a4050 [ 50.847154] RDX: ffff88800f470000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.848478] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e3bf2f [ 50.849791] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.851139] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171dfdf8 [ 50.852427] FS: 00007fd0bb40f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.853875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.854980] CR2: 00007fff2e61bef7 CR3: 0000000009d96000 CR4: 0000000000350ef0 [ 50.856285] Call Trace: [ 50.856821] [ 50.857239] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.858140] ? __create_object+0x59/0x80 [ 50.858949] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.859952] __vmalloc_noprof+0x59/0x60 [ 50.860687] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.861587] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.862549] bpf_prog_alloc+0x39/0x200 [ 50.863336] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.864298] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.865232] do_seccomp+0x349/0x25e0 [ 50.865980] ? find_held_lock+0x2b/0x80 [ 50.866776] ? do_prlimit+0x310/0x610 [ 50.867506] ? __pfx_do_seccomp+0x10/0x10 [ 50.868323] ? do_raw_spin_unlock+0x53/0x220 [ 50.869174] ? _raw_spin_unlock+0x1e/0x40 [ 50.869988] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.871007] ? static_key_count+0x60/0x80 [ 50.871853] prctl_set_seccomp+0x4e/0x70 [ 50.872613] __do_sys_prctl+0xe6c/0x1d70 [ 50.873431] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.874319] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.875337] ? irqentry_exit+0xf3/0x650 [ 50.876138] do_syscall_64+0xbf/0x430 [ 50.876912] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.877903] RIP: 0033:0x7fd0bb9015cd [ 50.878590] 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 [ 50.881852] RSP: 002b:00007fff2e619e50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.883274] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd0bb9015cd [ 50.884595] RDX: 000055684df8be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.885929] RBP: 00007fff2e619eb0 R08: 0000000000000000 R09: 00007fff2e619550 [ 50.887261] R10: 0000000000000000 R11: 0000000000000246 R12: 000055688a0a3ad0 [ 50.888596] R13: 00007fff2e61a2e0 R14: 000055688a0a4bc0 R15: 000055688a0b5780 [ 50.889938] [ 50.890381] irq event stamp: 1765 [ 50.891078] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 50.892636] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 50.894199] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 50.895804] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 50.897363] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:62502' (ECDSA) to the list of known hosts. 2025/11/17 11:51:44 fuzzer started 2025/11/17 11:51:44 dialing manager at localhost:37895 2025/11/17 11:51:44 checking machine... 2025/11/17 11:51:44 checking revisions... [ 51.728189] kmemleak: Automatic memory scanning thread ended 2025/11/17 11:51:45 testing simple program... [ 51.818422] cgroup: Unknown subsys name 'net' [ 51.871194] cgroup: Unknown subsys name 'cpuset' [ 51.888165] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 11:51:44 Registers: info registers vcpu 0 RAX=0000000000022000 RBX=ffff888009611bc0 RCX=0000000000000001 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888009612618 RSP=ffff888009627698 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888009612640 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815270c5 RFL=00000056 [---ZAP-] 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 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb2f03da000 CR3=000000000d7ce000 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=febfb416f6a0c2871c407ced5ada6066 XMM02=0000000000301bd0eff9b2d0a8fce9cb XMM03=0000000000301ca02c67c8bc2e329bc3 XMM04=ae62641127bed58f00000000000ae988 XMM05=9783b8cc56aace93000000000031f020 XMM06=5b75c91c80445342000000000031db88 XMM07=fb795ef6d6577056000000000030dcb0 XMM08=2c67c8bc2e329bc30000000000301c40 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff888017371bc0 RCX=0000000000000080 RDX=0000000000000007 RSI=ffff888017372618 RDI=ffffffff84c9815c RBP=ffffffff84c9815c RSP=ffff888016eef988 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f657 R11=0000000000000001 R12=ffff88800c28c380 R13=0000000000000020 R14=0000000000000001 R15=0000000000000282 RIP=ffffffff84c71c72 RFL=00000046 [---Z-P-] 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 00007fdb1e1d2900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdb1e1b1020 CR3=000000001e923000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000