syzkaller login: [ 38.985700] ------------[ cut here ]------------ [ 38.986595] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.988666] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.990126] Modules linked in: [ 38.990765] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.992988] Tainted: [W]=WARN [ 38.993545] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.995101] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.996032] 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 [ 38.999219] RSP: 0018:ffff888017abfbc0 EFLAGS: 00010286 [ 39.000219] RAX: 0000000000000000 RBX: ffffed1002f57f78 RCX: ffffffff813a4050 [ 39.001514] RDX: ffff888015e41bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.002824] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f57f2f [ 39.004105] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.005379] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017abfdf8 [ 39.006680] FS: 00007f5fdbac0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.008137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.009190] CR2: 00007fff3f8b1ef7 CR3: 000000000d293000 CR4: 0000000000350ef0 [ 39.010497] Call Trace: [ 39.011017] [ 39.011434] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.012343] ? __create_object+0x59/0x80 [ 39.013142] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.014129] __vmalloc_noprof+0x59/0x60 [ 39.014908] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.015799] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.016748] bpf_prog_alloc+0x39/0x200 [ 39.017436] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.018366] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.019272] do_seccomp+0x349/0x25e0 [ 39.019993] ? find_held_lock+0x2b/0x80 [ 39.020750] ? do_prlimit+0x310/0x610 [ 39.021448] ? __pfx_do_seccomp+0x10/0x10 [ 39.022240] ? do_raw_spin_unlock+0x53/0x220 [ 39.023077] ? _raw_spin_unlock+0x1e/0x40 [ 39.023862] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.024844] ? static_key_count+0x60/0x80 [ 39.025599] prctl_set_seccomp+0x4e/0x70 [ 39.026392] __do_sys_prctl+0xe6c/0x1d70 [ 39.027203] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.028059] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.029044] ? irqentry_exit+0xf3/0x650 [ 39.029810] do_syscall_64+0xbf/0x430 [ 39.030512] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.031473] RIP: 0033:0x7f5fdbfb25cd [ 39.032187] 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 [ 39.035383] RSP: 002b:00007fff3f8b0220 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.036752] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5fdbfb25cd [ 39.038038] RDX: 00005565c917fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.039347] RBP: 00007fff3f8b0280 R08: 0000000000000000 R09: 00007fff3f8af920 [ 39.040629] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556603fd5ad0 [ 39.041941] R13: 00007fff3f8b06b0 R14: 0000556603fd6bc0 R15: 0000556603fe7780 [ 39.043253] [ 39.043729] irq event stamp: 1805 [ 39.044339] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 39.045870] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 39.047430] softirqs last enabled at (1792): [] handle_softirqs+0x50c/0x770 [ 39.048717] softirqs last disabled at (1787): [] __irq_exit_rcu+0xc4/0x100 [ 39.049975] ---[ end trace 0000000000000000 ]--- [ 42.508930] ------------[ cut here ]------------ [ 42.509864] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.511876] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.513331] Modules linked in: [ 42.513966] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.516014] Tainted: [W]=WARN [ 42.516570] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.518040] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.518967] 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 [ 42.522104] RSP: 0018:ffff88801a21fbc0 EFLAGS: 00010286 [ 42.523086] RAX: 0000000000000000 RBX: ffffed1003443f78 RCX: ffffffff813a4050 [ 42.524371] RDX: ffff888016860000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.525662] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003443f2f [ 42.526950] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.528218] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a21fdf8 [ 42.529507] FS: 00007fee271a2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.530944] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.532011] CR2: 00007fee27694580 CR3: 00000000142de000 CR4: 0000000000350ef0 [ 42.533294] Call Trace: [ 42.533790] [ 42.534203] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.535127] ? __create_object+0x59/0x80 [ 42.535910] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.536873] __vmalloc_noprof+0x59/0x60 [ 42.537593] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.538475] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.539408] bpf_prog_alloc+0x39/0x200 [ 42.540148] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.541067] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.541989] do_seccomp+0x349/0x25e0 [ 42.542711] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.543561] ? __pfx_do_seccomp+0x10/0x10 [ 42.544344] ? find_held_lock+0x2b/0x80 [ 42.545095] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.546051] ? static_key_count+0x60/0x80 [ 42.546859] prctl_set_seccomp+0x4e/0x70 [ 42.547585] __do_sys_prctl+0xe6c/0x1d70 [ 42.548359] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.549203] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.550149] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.551139] ? irqentry_exit+0xf3/0x650 [ 42.551922] do_syscall_64+0xbf/0x430 [ 42.552616] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.553551] RIP: 0033:0x7fee276945cd [ 42.554242] 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 [ 42.557394] RSP: 002b:00007ffc04be14d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.558759] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fee276945cd [ 42.560045] RDX: 000055acaa2dce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.561318] RBP: 00007ffc04be1530 R08: 0000000000000000 R09: 00007ffc04be0bd0 [ 42.562604] R10: 0000000000000000 R11: 0000000000000246 R12: 000055acd8789ad0 [ 42.563908] R13: 00007ffc04be1960 R14: 000055acd878abc0 R15: 000055acd879b780 [ 42.565215] [ 42.565662] irq event stamp: 1761 [ 42.566262] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 42.567671] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 42.568934] softirqs last enabled at (1632): [] handle_softirqs+0x50c/0x770 [ 42.570213] softirqs last disabled at (1627): [] __irq_exit_rcu+0xc4/0x100 [ 42.571487] ---[ end trace 0000000000000000 ]--- [ 43.377982] ------------[ cut here ]------------ [ 43.378943] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.380924] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.382374] Modules linked in: [ 43.383030] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.385034] Tainted: [W]=WARN [ 43.385585] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.387058] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.387959] 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 [ 43.391113] RSP: 0018:ffff888017a97bc0 EFLAGS: 00010286 [ 43.392096] RAX: 0000000000000000 RBX: ffffed1002f52f78 RCX: ffffffff813a4050 [ 43.393361] RDX: ffff8880097b1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.394656] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f52f2f [ 43.395942] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.397223] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017a97df8 [ 43.398530] FS: 00007fdcccb5e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.399950] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.401035] CR2: 00007fff9ff94ef7 CR3: 00000000145a0000 CR4: 0000000000350ef0 [ 43.402314] Call Trace: [ 43.402828] [ 43.403241] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.404142] ? __create_object+0x59/0x80 [ 43.404917] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.405887] __vmalloc_noprof+0x59/0x60 [ 43.406617] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.407488] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.408406] bpf_prog_alloc+0x39/0x200 [ 43.409136] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.410048] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.410960] do_seccomp+0x349/0x25e0 [ 43.411677] ? find_held_lock+0x2b/0x80 [ 43.412386] ? do_prlimit+0x310/0x610 [ 43.413123] ? __pfx_do_seccomp+0x10/0x10 [ 43.413906] ? do_raw_spin_unlock+0x53/0x220 [ 43.414746] ? _raw_spin_unlock+0x1e/0x40 [ 43.415474] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.416430] ? static_key_count+0x60/0x80 [ 43.417220] prctl_set_seccomp+0x4e/0x70 [ 43.417983] __do_sys_prctl+0xe6c/0x1d70 [ 43.418781] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.419596] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.420565] ? irqentry_exit+0xf3/0x650 [ 43.421332] do_syscall_64+0xbf/0x430 [ 43.422055] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.423021] RIP: 0033:0x7fdccd0505cd [ 43.423723] 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 [ 43.426893] RSP: 002b:00007fff9ff927a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.428261] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdccd0505cd [ 43.429532] RDX: 00005614afdf4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.430817] RBP: 00007fff9ff92800 R08: 0000000000000000 R09: 00007fff9ff91ea0 [ 43.432099] R10: 0000000000000000 R11: 0000000000000246 R12: 00005614c926ead0 [ 43.433373] R13: 00007fff9ff92c30 R14: 00005614c926fbc0 R15: 00005614c9280780 [ 43.434694] [ 43.435129] irq event stamp: 1785 [ 43.435788] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 43.437304] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 43.438840] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 43.440385] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 43.441907] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:6854' (ECDSA) to the list of known hosts. 2025/11/18 21:28:14 fuzzer started 2025/11/18 21:28:15 dialing manager at localhost:34383 2025/11/18 21:28:15 checking machine... 2025/11/18 21:28:15 checking revisions... [ 44.313594] kmemleak: Automatic memory scanning thread ended 2025/11/18 21:28:15 testing simple program... [ 44.396792] cgroup: Unknown subsys name 'net' [ 44.478537] cgroup: Unknown subsys name 'cpuset' [ 44.492564] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 52.991971] audit: type=1400 audit(1763501303.950:7): avc: denied { execmem } for pid=275 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program VM DIAGNOSIS: 21:28:14 Registers: info registers vcpu 0 RAX=ffffffff85a7f2c8 RBX=ffff88806ce37340 RCX=0000000000000001 RDX=dffffc0000000000 RSI=1ffffffff0b4fe6b RDI=ffffffff85a7f358 RBP=ffff88806ce08628 RSP=ffff88806ce085e8 R8 =0000000000000001 R9 =ffffed100d9c10af R10=0000000000000000 R11=0000000000000001 R12=ffff888018458000 R13=0000000000000000 R14=ffff88806ce37df0 R15=ffff88806ce37358 RIP=ffffffff8148abc2 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 00007fee271a2900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc04bdb000 CR3=000000001ff01000 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 info registers vcpu 1 RAX=0000000000020597 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=00000202 [-------] 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 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f126a93e6f8 CR3=000000000d9ac000 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=f938d14bef65b99b1d4bb478bd5ae7c0 XMM02=ec2efd57dc4c00df0000000000301e68 XMM03=7d24e2af990b1f960000000000301f38 XMM04=77bc51a757c65fed00000000000ae988 XMM05=851e06ad86ac918e000000000031f980 XMM06=474038aa6c007e1f000000000031e9d0 XMM07=e042d86d42eb936e000000000030e410 XMM08=7d24e2af990b1f960000000000301f38 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000