syzkaller login: [ 39.017559] ------------[ cut here ]------------ [ 39.018456] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.020537] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 39.022012] Modules linked in: [ 39.022637] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.024571] Tainted: [W]=WARN [ 39.025110] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.026555] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.027406] 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 [ 39.030530] RSP: 0018:ffff888017a2fbc0 EFLAGS: 00010286 [ 39.031446] RAX: 0000000000000000 RBX: ffffed1002f45f78 RCX: ffffffff813a4050 [ 39.032710] RDX: ffff888016f6d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.033973] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f45f2f [ 39.035222] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.036475] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017a2fdf8 [ 39.037793] FS: 00007fb2e8d5b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.039212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.040259] CR2: 00007ffda997eef7 CR3: 000000000b909000 CR4: 0000000000350ef0 [ 39.041515] Call Trace: [ 39.041986] [ 39.042389] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.043273] ? __create_object+0x59/0x80 [ 39.044116] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.045062] __vmalloc_noprof+0x59/0x60 [ 39.045824] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.046681] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.047600] bpf_prog_alloc+0x39/0x200 [ 39.048278] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.049179] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.050086] do_seccomp+0x349/0x25e0 [ 39.050791] ? find_held_lock+0x2b/0x80 [ 39.051488] ? do_prlimit+0x310/0x610 [ 39.052229] ? __pfx_do_seccomp+0x10/0x10 [ 39.052997] ? do_raw_spin_unlock+0x53/0x220 [ 39.053838] ? _raw_spin_unlock+0x1e/0x40 [ 39.054614] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.055553] ? static_key_count+0x60/0x80 [ 39.056296] prctl_set_seccomp+0x4e/0x70 [ 39.057103] __do_sys_prctl+0xe6c/0x1d70 [ 39.058016] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.058994] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.060105] ? irqentry_exit+0xf3/0x650 [ 39.060956] do_syscall_64+0xbf/0x430 [ 39.061811] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.062901] RIP: 0033:0x7fb2e924d5cd [ 39.063714] 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 [ 39.067252] RSP: 002b:00007ffda997d950 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.068797] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb2e924d5cd [ 39.070261] RDX: 000056175542ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.071710] RBP: 00007ffda997d9b0 R08: 0000000000000000 R09: 00007ffda997d050 [ 39.073147] R10: 0000000000000000 R11: 0000000000000246 R12: 000056177e6e2ad0 [ 39.074599] R13: 00007ffda997dde0 R14: 000056177e6e3bc0 R15: 000056177e6f4780 [ 39.076076] [ 39.076610] irq event stamp: 1801 [ 39.077297] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 39.079031] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 39.080749] softirqs last enabled at (1508): [] handle_softirqs+0x50c/0x770 [ 39.082516] softirqs last disabled at (1493): [] __irq_exit_rcu+0xc4/0x100 [ 39.084227] ---[ end trace 0000000000000000 ]--- [ 41.950326] ------------[ cut here ]------------ [ 41.951284] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.953303] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 41.954780] Modules linked in: [ 41.955375] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.957623] Tainted: [W]=WARN [ 41.958199] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.959754] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.960683] 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 [ 41.963893] RSP: 0018:ffff8880160efbc0 EFLAGS: 00010286 [ 41.964882] RAX: 0000000000000000 RBX: ffffed1002c1df78 RCX: ffffffff813a4050 [ 41.966185] RDX: ffff888016d7b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.967474] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c1df2f [ 41.968793] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.970091] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880160efdf8 [ 41.971401] FS: 00007f83e7532900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.972863] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.973949] CR2: 00007f83e7a24580 CR3: 000000000cb76000 CR4: 0000000000350ef0 [ 41.975250] Call Trace: [ 41.975759] [ 41.976176] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.977087] ? __create_object+0x59/0x80 [ 41.977892] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.978878] __vmalloc_noprof+0x59/0x60 [ 41.979645] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.980485] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.981437] bpf_prog_alloc+0x39/0x200 [ 41.982195] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.983138] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.984064] do_seccomp+0x349/0x25e0 [ 41.984794] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.985705] ? __pfx_do_seccomp+0x10/0x10 [ 41.986472] ? find_held_lock+0x2b/0x80 [ 41.987245] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.988218] ? static_key_count+0x60/0x80 [ 41.989027] prctl_set_seccomp+0x4e/0x70 [ 41.989842] __do_sys_prctl+0xe6c/0x1d70 [ 41.990644] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.991461] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.992445] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.993430] ? irqentry_exit+0xf3/0x650 [ 41.994214] do_syscall_64+0xbf/0x430 [ 41.994965] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.995926] RIP: 0033:0x7f83e7a245cd [ 41.996642] 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 [ 41.999867] RSP: 002b:00007ffc43c5b820 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.001250] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f83e7a245cd [ 42.002523] RDX: 0000563235c0ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.003614] RBP: 00007ffc43c5b880 R08: 0000000000000000 R09: 00007ffc43c5af20 [ 42.004697] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563239989ad0 [ 42.005780] R13: 00007ffc43c5bcb0 R14: 000056323998abc0 R15: 000056323999b780 [ 42.006889] [ 42.007248] irq event stamp: 1781 [ 42.007800] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 42.009088] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 42.010606] softirqs last enabled at (1616): [] handle_softirqs+0x50c/0x770 [ 42.011958] softirqs last disabled at (1603): [] __irq_exit_rcu+0xc4/0x100 [ 42.013261] ---[ end trace 0000000000000000 ]--- [ 42.819941] ------------[ cut here ]------------ [ 42.820889] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.822968] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 42.824437] Modules linked in: [ 42.825080] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.827414] Tainted: [W]=WARN [ 42.828143] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.829636] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.830577] 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 [ 42.833753] RSP: 0018:ffff88800ea77bc0 EFLAGS: 00010286 [ 42.834740] RAX: 0000000000000000 RBX: ffffed1001d4ef78 RCX: ffffffff813a4050 [ 42.836014] RDX: ffff888015ab3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.837313] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001d4ef2f [ 42.838620] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.839932] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ea77df8 [ 42.841222] FS: 00007f0d14b83900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.842703] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.843783] CR2: 00007f0d15075580 CR3: 0000000020d3a000 CR4: 0000000000350ef0 [ 42.845100] Call Trace: [ 42.845594] [ 42.846018] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.846925] ? __create_object+0x59/0x80 [ 42.847737] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.848720] __vmalloc_noprof+0x59/0x60 [ 42.849441] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.850346] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.851276] bpf_prog_alloc+0x39/0x200 [ 42.852006] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.852958] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.853889] do_seccomp+0x349/0x25e0 [ 42.854632] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.855550] ? __pfx_do_seccomp+0x10/0x10 [ 42.856313] ? find_held_lock+0x2b/0x80 [ 42.857087] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.858090] ? static_key_count+0x60/0x80 [ 42.858902] prctl_set_seccomp+0x4e/0x70 [ 42.859688] __do_sys_prctl+0xe6c/0x1d70 [ 42.860428] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.861292] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.862278] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.863257] ? irqentry_exit+0xf3/0x650 [ 42.864031] do_syscall_64+0xbf/0x430 [ 42.864764] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.865735] RIP: 0033:0x7f0d150755cd [ 42.866407] 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 [ 42.869562] RSP: 002b:00007fff33c21060 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.870950] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d150755cd [ 42.872243] RDX: 0000556dde6f6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.873533] RBP: 00007fff33c210c0 R08: 0000000000000000 R09: 00007fff33c20760 [ 42.874823] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556deae812b0 [ 42.876123] R13: 00007fff33c214f0 R14: 0000556deae83d20 R15: 0000556deae958d0 [ 42.877422] [ 42.877900] irq event stamp: 3373 [ 42.878561] hardirqs last enabled at (3383): [] __up_console_sem+0x78/0x80 [ 42.880129] hardirqs last disabled at (3392): [] __up_console_sem+0x5d/0x80 [ 42.881663] softirqs last enabled at (2908): [] handle_softirqs+0x50c/0x770 [ 42.883230] softirqs last disabled at (2879): [] __irq_exit_rcu+0xc4/0x100 [ 42.884749] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:37947' (ECDSA) to the list of known hosts. 2025/11/18 06:07:05 fuzzer started 2025/11/18 06:07:06 dialing manager at localhost:37895 2025/11/18 06:07:06 checking machine... 2025/11/18 06:07:06 checking revisions... [ 43.804049] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:07:06 testing simple program... [ 43.897868] cgroup: Unknown subsys name 'net' [ 44.025731] cgroup: Unknown subsys name 'cpuset' [ 44.051467] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 06:07:05 Registers: info registers vcpu 0 RAX=00000000000401a5 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc8ea6a7e8 CR3=000000000ca42000 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=37303a363020383120766f4e3e38333c XMM01=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3234325b646873732035303a3730 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323538 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=0000000000000001 RBX=0000000000000001 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88806cf37358 RBP=ffff88806cf37358 RSP=ffff888009637988 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000018 R11=ffff888013fba078 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=ffff88806cf37340 RIP=ffffffff81529257 RFL=00000047 [---Z-PC] 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f83e7ae7650 CR3=000000000bee2000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=e9432a1fc84f16a200000000000ae988 XMM05=d712531ab13e16c700000000003227a8 XMM06=14648eaa1277bab10000000000321640 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000