syzkaller login: [ 46.240793] ------------[ cut here ]------------ [ 46.241730] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.243732] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 46.245255] Modules linked in: [ 46.245945] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.247943] Tainted: [W]=WARN [ 46.248600] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.250082] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.251011] 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 [ 46.254244] RSP: 0018:ffff888016977bc0 EFLAGS: 00010286 [ 46.255238] RAX: 0000000000000000 RBX: ffffed1002d2ef78 RCX: ffffffff813a4050 [ 46.256572] RDX: ffff88800f5bd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.257870] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d2ef2f [ 46.259168] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.260485] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016977df8 [ 46.261769] FS: 00007f81b2f41900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.263172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.264266] CR2: 00007f81b3433580 CR3: 0000000009a27000 CR4: 0000000000350ef0 [ 46.265594] Call Trace: [ 46.266067] [ 46.266528] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.267397] ? __create_object+0x59/0x80 [ 46.268186] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.269197] __vmalloc_noprof+0x59/0x60 [ 46.269942] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.270806] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.271727] bpf_prog_alloc+0x39/0x200 [ 46.272507] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.273385] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.274275] do_seccomp+0x349/0x25e0 [ 46.274989] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.275891] ? __pfx_do_seccomp+0x10/0x10 [ 46.276717] ? find_held_lock+0x2b/0x80 [ 46.277476] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.278405] ? static_key_count+0x60/0x80 [ 46.279218] prctl_set_seccomp+0x4e/0x70 [ 46.280002] __do_sys_prctl+0xe6c/0x1d70 [ 46.280828] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.281685] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.282646] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.283608] ? irqentry_exit+0xf3/0x650 [ 46.284361] do_syscall_64+0xbf/0x430 [ 46.285110] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.286058] RIP: 0033:0x7f81b34335cd [ 46.286752] 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 [ 46.289934] RSP: 002b:00007ffe637f5380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.291284] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f81b34335cd [ 46.292606] RDX: 0000560cdba5ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.293874] RBP: 00007ffe637f53e0 R08: 0000000000000000 R09: 00007ffe637f4a80 [ 46.295138] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560d0fda2ad0 [ 46.296454] R13: 00007ffe637f5810 R14: 0000560d0fda3bc0 R15: 0000560d0fdb4780 [ 46.297750] [ 46.298167] irq event stamp: 1753 [ 46.298815] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 46.300378] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 46.301912] softirqs last enabled at (1646): [] handle_softirqs+0x50c/0x770 [ 46.303452] softirqs last disabled at (1641): [] __irq_exit_rcu+0xc4/0x100 [ 46.305005] ---[ end trace 0000000000000000 ]--- [ 48.805564] ------------[ cut here ]------------ [ 48.806466] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.808478] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/239 [ 48.809919] Modules linked in: [ 48.810542] CPU: 1 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.812548] Tainted: [W]=WARN [ 48.813104] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.814557] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.815478] 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 [ 48.818603] RSP: 0018:ffff888019737bc0 EFLAGS: 00010286 [ 48.819576] RAX: 0000000000000000 RBX: ffffed10032e6f78 RCX: ffffffff813a4050 [ 48.820866] RDX: ffff888016f19bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.822126] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032e6f2f [ 48.823380] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.824668] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019737df8 [ 48.825941] FS: 00007f74ade52900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.827341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.828392] CR2: 00007f74ae344580 CR3: 000000000db5d000 CR4: 0000000000350ef0 [ 48.829681] Call Trace: [ 48.830142] [ 48.830587] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.831473] ? __create_object+0x59/0x80 [ 48.832194] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.833173] __vmalloc_noprof+0x59/0x60 [ 48.833912] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.834766] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.835688] bpf_prog_alloc+0x39/0x200 [ 48.836379] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.837290] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.838182] do_seccomp+0x349/0x25e0 [ 48.838901] ? __pfx_css_rstat_updated+0x10/0x10 [ 48.839793] ? __pfx_do_seccomp+0x10/0x10 [ 48.840576] ? find_held_lock+0x2b/0x80 [ 48.841279] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.842245] ? static_key_count+0x60/0x80 [ 48.843037] prctl_set_seccomp+0x4e/0x70 [ 48.843798] __do_sys_prctl+0xe6c/0x1d70 [ 48.844583] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.845393] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.846366] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.847330] ? irqentry_exit+0xf3/0x650 [ 48.848096] do_syscall_64+0xbf/0x430 [ 48.848834] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.849789] RIP: 0033:0x7f74ae3445cd [ 48.850492] 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 [ 48.853634] RSP: 002b:00007ffc506729e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.854983] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f74ae3445cd [ 48.856236] RDX: 0000557b953cfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.857523] RBP: 00007ffc50672a40 R08: 0000000000000000 R09: 00007ffc506720e0 [ 48.858812] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557ba3573240 [ 48.860083] R13: 00007ffc50672e70 R14: 0000557ba357c380 R15: 0000557ba3587540 [ 48.861362] [ 48.861753] irq event stamp: 1721 [ 48.862263] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 48.863532] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80 [ 48.864806] softirqs last enabled at (1340): [] handle_softirqs+0x50c/0x770 [ 48.866084] softirqs last disabled at (1335): [] __irq_exit_rcu+0xc4/0x100 [ 48.867333] ---[ end trace 0000000000000000 ]--- [ 49.536711] ------------[ cut here ]------------ [ 49.537180] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.538253] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/246 [ 49.539024] Modules linked in: [ 49.539323] CPU: 0 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.540372] Tainted: [W]=WARN [ 49.540693] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.541484] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.541949] 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 [ 49.543636] RSP: 0018:ffff88800f44fbc0 EFLAGS: 00010286 [ 49.544132] RAX: 0000000000000000 RBX: ffffed1001e89f78 RCX: ffffffff813a4050 [ 49.544808] RDX: ffff8880160b5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.545479] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e89f2f [ 49.546134] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.546814] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f44fdf8 [ 49.547494] FS: 00007fe2dfcbb900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.548238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.548797] CR2: 00007ffdd715def8 CR3: 000000000d20b000 CR4: 0000000000350ef0 [ 49.549466] Call Trace: [ 49.549706] [ 49.549925] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.550371] ? __create_object+0x59/0x80 [ 49.550782] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.551259] __vmalloc_noprof+0x59/0x60 [ 49.551650] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.552081] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.552588] bpf_prog_alloc+0x39/0x200 [ 49.552948] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.553443] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.553886] do_seccomp+0x349/0x25e0 [ 49.554234] ? find_held_lock+0x2b/0x80 [ 49.554634] ? do_prlimit+0x310/0x610 [ 49.555005] ? __pfx_do_seccomp+0x10/0x10 [ 49.555404] ? do_raw_spin_unlock+0x53/0x220 [ 49.555840] ? _raw_spin_unlock+0x1e/0x40 [ 49.556230] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.556745] ? static_key_count+0x60/0x80 [ 49.557149] prctl_set_seccomp+0x4e/0x70 [ 49.557555] __do_sys_prctl+0xe6c/0x1d70 [ 49.557938] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.558352] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.558839] ? irqentry_exit+0xf3/0x650 [ 49.559188] do_syscall_64+0xbf/0x430 [ 49.559540] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.559977] RIP: 0033:0x7fe2e01ad5cd [ 49.560298] 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 [ 49.561810] RSP: 002b:00007ffdd715c2a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.562464] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2e01ad5cd [ 49.563057] RDX: 000055d7dd4f2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.563670] RBP: 00007ffdd715c300 R08: 0000000000000000 R09: 00007ffdd715b9a0 [ 49.564270] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d7fd0b8240 [ 49.564885] R13: 00007ffdd715c730 R14: 000055d7fd0c1380 R15: 000055d7fd0cc540 [ 49.565507] [ 49.565712] irq event stamp: 1695 [ 49.566000] hardirqs last enabled at (1703): [] __up_console_sem+0x78/0x80 [ 49.566725] hardirqs last disabled at (1712): [] __up_console_sem+0x5d/0x80 [ 49.567449] softirqs last enabled at (1248): [] handle_softirqs+0x50c/0x770 [ 49.568164] softirqs last disabled at (1239): [] __irq_exit_rcu+0xc4/0x100 [ 49.568894] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:25999' (ECDSA) to the list of known hosts. 2025/11/19 02:47:51 fuzzer started 2025/11/19 02:47:51 dialing manager at localhost:34383 2025/11/19 02:47:51 checking machine... 2025/11/19 02:47:51 checking revisions... [ 50.383103] kmemleak: Automatic memory scanning thread ended 2025/11/19 02:47:51 testing simple program... [ 50.474917] cgroup: Unknown subsys name 'net' [ 50.546392] cgroup: Unknown subsys name 'cpuset' [ 50.575340] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 02:47:51 Registers: info registers vcpu 0 RAX=00000000000457ef RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000557ba35a9000 CR3=000000000e6d3000 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=2030353a37343a323020393120766f4e XMM01=73732878696e755f6d6170203a5d3833 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3833325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030353a37343a3230203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff8880175b7a70 RCX=0000000000000001 RDX=1ffff1100d9e114f RSI=ffff8880175b7a58 RDI=ffff88806cf08a78 RBP=ffff88800ce76000 RSP=ffff88806cf08a00 R8 =0000000000000001 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=00000000000c897b R12=ffff88806cf08ad0 R13=ffff88806cf08ab8 R14=ffff8880175b7a58 R15=ffff88806cf08a70 RIP=ffffffff8135fb9c RFL=00000246 [---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 00007f74ade52900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc5066c000 CR3=000000001f9c6000 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