syzkaller login: [ 38.987510] ------------[ cut here ]------------ [ 38.988266] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.990267] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.991461] Modules linked in: [ 38.991950] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.993627] Tainted: [W]=WARN [ 38.994138] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.995348] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.996109] 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 [ 38.998736] RSP: 0018:ffff888019e77bc0 EFLAGS: 00010286 [ 38.999550] RAX: 0000000000000000 RBX: ffffed10033cef78 RCX: ffffffff813a4050 [ 39.000615] RDX: ffff8880161e8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.001687] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033cef2f [ 39.002752] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.003821] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019e77df8 [ 39.004890] FS: 00007fa721206900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.006099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.006940] CR2: 00007fa7216f8580 CR3: 000000000b6e6000 CR4: 0000000000350ef0 [ 39.007993] Call Trace: [ 39.008411] [ 39.008760] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.009500] ? __create_object+0x59/0x80 [ 39.010147] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.010907] __vmalloc_noprof+0x59/0x60 [ 39.011529] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.012252] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.012982] bpf_prog_alloc+0x39/0x200 [ 39.013613] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.014377] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.015120] do_seccomp+0x349/0x25e0 [ 39.015678] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.016425] ? __pfx_do_seccomp+0x10/0x10 [ 39.017073] ? find_held_lock+0x2b/0x80 [ 39.017667] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.018457] ? static_key_count+0x60/0x80 [ 39.019117] prctl_set_seccomp+0x4e/0x70 [ 39.019722] __do_sys_prctl+0xe6c/0x1d70 [ 39.020363] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.021083] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.021857] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.022645] ? irqentry_exit+0xf3/0x650 [ 39.023269] do_syscall_64+0xbf/0x430 [ 39.023852] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.024639] RIP: 0033:0x7fa7216f85cd [ 39.025230] 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 [ 39.027866] RSP: 002b:00007ffdc3bbac40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.028993] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa7216f85cd [ 39.030070] RDX: 000055dbe3a62e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.031140] RBP: 00007ffdc3bbaca0 R08: 0000000000000000 R09: 00007ffdc3bba340 [ 39.032215] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dbed109ad0 [ 39.033284] R13: 00007ffdc3bbb0d0 R14: 000055dbed10abc0 R15: 000055dbed11b780 [ 39.034359] [ 39.034711] irq event stamp: 1661 [ 39.035240] hardirqs last enabled at (1671): [] __up_console_sem+0x78/0x80 [ 39.036495] hardirqs last disabled at (1680): [] __up_console_sem+0x5d/0x80 [ 39.037770] softirqs last enabled at (1160): [] handle_softirqs+0x50c/0x770 [ 39.039074] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 39.040350] ---[ end trace 0000000000000000 ]--- [ 41.925862] ------------[ cut here ]------------ [ 41.926814] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.928838] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.930308] Modules linked in: [ 41.930893] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.932888] Tainted: [W]=WARN [ 41.933508] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.935148] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.936018] 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 [ 41.939352] RSP: 0018:ffff888017987bc0 EFLAGS: 00010286 [ 41.940340] RAX: 0000000000000000 RBX: ffffed1002f30f78 RCX: ffffffff813a4050 [ 41.941638] RDX: ffff8880164a8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.942905] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f30f2f [ 41.944438] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.945773] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017987df8 [ 41.947092] FS: 00007f99e848e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.948564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.949644] CR2: 00007fff4f3a5ef7 CR3: 000000000ff35000 CR4: 0000000000350ef0 [ 41.950950] Call Trace: [ 41.951463] [ 41.951886] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.953051] ? __create_object+0x59/0x80 [ 41.953827] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.954948] __vmalloc_noprof+0x59/0x60 [ 41.955767] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.956767] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.957780] bpf_prog_alloc+0x39/0x200 [ 41.958536] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.959509] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.960618] do_seccomp+0x349/0x25e0 [ 41.961359] ? find_held_lock+0x2b/0x80 [ 41.962164] ? do_prlimit+0x310/0x610 [ 41.962898] ? __pfx_do_seccomp+0x10/0x10 [ 41.963679] ? do_raw_spin_unlock+0x53/0x220 [ 41.964545] ? _raw_spin_unlock+0x1e/0x40 [ 41.965531] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.966507] ? static_key_count+0x60/0x80 [ 41.967326] prctl_set_seccomp+0x4e/0x70 [ 41.968116] __do_sys_prctl+0xe6c/0x1d70 [ 41.968861] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.969732] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.970866] ? irqentry_exit+0xf3/0x650 [ 41.971639] do_syscall_64+0xbf/0x430 [ 41.972480] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.973472] RIP: 0033:0x7f99e89805cd [ 41.974265] 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 [ 41.977626] RSP: 002b:00007fff4f3a3580 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.979020] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f99e89805cd [ 41.980459] RDX: 0000561798555e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.981913] RBP: 00007fff4f3a35e0 R08: 0000000000000000 R09: 00007fff4f3a2c80 [ 41.983377] R10: 0000000000000000 R11: 0000000000000246 R12: 00005617c22daad0 [ 41.984809] R13: 00007fff4f3a3a10 R14: 00005617c22dbbc0 R15: 00005617c22ec780 [ 41.985922] [ 41.986443] irq event stamp: 1817 [ 41.987102] hardirqs last enabled at (1827): [] __up_console_sem+0x78/0x80 [ 41.988437] hardirqs last disabled at (1836): [] __up_console_sem+0x5d/0x80 [ 41.989918] softirqs last enabled at (1758): [] handle_softirqs+0x50c/0x770 [ 41.991363] softirqs last disabled at (1751): [] __irq_exit_rcu+0xc4/0x100 [ 41.992624] ---[ end trace 0000000000000000 ]--- [ 42.716088] ------------[ cut here ]------------ [ 42.716986] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.719077] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.720534] Modules linked in: [ 42.721227] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.723263] Tainted: [W]=WARN [ 42.723824] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.725311] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.726230] 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 [ 42.729434] RSP: 0018:ffff888016dc7bc0 EFLAGS: 00010286 [ 42.730424] RAX: 0000000000000000 RBX: ffffed1002db8f78 RCX: ffffffff813a4050 [ 42.731706] RDX: ffff88801a163780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.733000] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db8f2f [ 42.734303] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.735588] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016dc7df8 [ 42.736881] FS: 00007f2b0a863900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.738354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.739422] CR2: 00007f2b0ad55580 CR3: 000000000d2ca000 CR4: 0000000000350ef0 [ 42.740718] Call Trace: [ 42.741224] [ 42.741650] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.742570] ? __create_object+0x59/0x80 [ 42.743356] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.744325] __vmalloc_noprof+0x59/0x60 [ 42.745087] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.745949] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.746880] bpf_prog_alloc+0x39/0x200 [ 42.747614] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.748557] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.749472] do_seccomp+0x349/0x25e0 [ 42.750202] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.751117] ? __pfx_do_seccomp+0x10/0x10 [ 42.751865] ? find_held_lock+0x2b/0x80 [ 42.752632] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.753615] ? static_key_count+0x60/0x80 [ 42.754435] prctl_set_seccomp+0x4e/0x70 [ 42.755216] __do_sys_prctl+0xe6c/0x1d70 [ 42.755952] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.756811] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.757789] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.758758] ? irqentry_exit+0xf3/0x650 [ 42.759538] do_syscall_64+0xbf/0x430 [ 42.760277] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.761223] RIP: 0033:0x7f2b0ad555cd [ 42.761890] 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 [ 42.765023] RSP: 002b:00007ffcd1f8eb60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.766424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2b0ad555cd [ 42.767710] RDX: 0000556a8fef9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.768988] RBP: 00007ffcd1f8ebc0 R08: 0000000000000000 R09: 00007ffcd1f8e260 [ 42.770274] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556ac4128b10 [ 42.771565] R13: 00007ffcd1f8eff0 R14: 0000556ac41292b0 R15: 0000556ac413d6f0 [ 42.772905] [ 42.773373] irq event stamp: 1773 [ 42.773996] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 42.775550] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 42.777113] softirqs last enabled at (1718): [] handle_softirqs+0x50c/0x770 [ 42.778709] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 42.780251] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:6456' (ECDSA) to the list of known hosts. 2025/11/18 22:54:32 fuzzer started 2025/11/18 22:54:33 dialing manager at localhost:34383 2025/11/18 22:54:33 checking machine... 2025/11/18 22:54:33 checking revisions... [ 43.651245] kmemleak: Automatic memory scanning thread ended 2025/11/18 22:54:33 testing simple program... [ 43.747185] cgroup: Unknown subsys name 'net' [ 43.805012] cgroup: Unknown subsys name 'cpuset' [ 43.816701] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:54:32 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffff88806ce31cd0 RBP=ffffffff85e1ffe0 RSP=ffff888009627778 R8 =0000000000000001 R9 =ffff888009627880 R10=000000000003c9ed R11=00000000000255ed R12=ffffffff8135e7a2 R13=ffff888009627888 R14=ffff888009627bb8 R15=ffff888009627840 RIP=ffffffff815bd130 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff4f39d000 CR3=000000001fd53000 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=563412feff00545000000000000080fe XMM01=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000022941 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 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005617c2317fe0 CR3=0000000005c8a000 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=00007f3996f1a5100000560887d12790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000