syzkaller login: [ 39.095699] ------------[ cut here ]------------ [ 39.096625] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.098603] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.100043] Modules linked in: [ 39.100683] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.102671] Tainted: [W]=WARN [ 39.103276] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.104758] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.105699] 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 [ 39.108877] RSP: 0018:ffff88800f50fbc0 EFLAGS: 00010286 [ 39.109870] RAX: 0000000000000000 RBX: ffffed1001ea1f78 RCX: ffffffff813a4050 [ 39.111158] RDX: ffff888018b50000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.112440] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ea1f2f [ 39.113745] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.115039] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f50fdf8 [ 39.116329] FS: 00007f586fd4c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.117785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.118860] CR2: 00007ffc2ec24ef7 CR3: 000000000f6b5000 CR4: 0000000000350ef0 [ 39.120152] Call Trace: [ 39.120658] [ 39.121075] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.121982] ? __create_object+0x59/0x80 [ 39.122758] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.123732] __vmalloc_noprof+0x59/0x60 [ 39.124507] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.125401] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.126337] bpf_prog_alloc+0x39/0x200 [ 39.127042] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.127977] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.128879] do_seccomp+0x349/0x25e0 [ 39.129610] ? find_held_lock+0x2b/0x80 [ 39.130378] ? do_prlimit+0x310/0x610 [ 39.131070] ? __pfx_do_seccomp+0x10/0x10 [ 39.131872] ? do_raw_spin_unlock+0x53/0x220 [ 39.132706] ? _raw_spin_unlock+0x1e/0x40 [ 39.133491] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.134463] ? static_key_count+0x60/0x80 [ 39.135272] prctl_set_seccomp+0x4e/0x70 [ 39.136002] __do_sys_prctl+0xe6c/0x1d70 [ 39.136783] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.137671] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.138645] ? irqentry_exit+0xf3/0x650 [ 39.139413] do_syscall_64+0xbf/0x430 [ 39.140113] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.141055] RIP: 0033:0x7f587023e5cd [ 39.141769] 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 [ 39.144957] RSP: 002b:00007ffc2ec22ee0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.146331] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f587023e5cd [ 39.147642] RDX: 00005638758a9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.148924] RBP: 00007ffc2ec22f40 R08: 0000000000000000 R09: 00007ffc2ec225e0 [ 39.150255] R10: 0000000000000000 R11: 0000000000000246 R12: 00005638ab8b6b10 [ 39.151541] R13: 00007ffc2ec23370 R14: 00005638ab8b72b0 R15: 00005638ab8cb6f0 [ 39.152891] [ 39.153362] irq event stamp: 1759 [ 39.154134] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 39.155675] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 39.157231] softirqs last enabled at (1746): [] handle_softirqs+0x50c/0x770 [ 39.158809] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 39.160332] ---[ end trace 0000000000000000 ]--- [ 42.236737] ------------[ cut here ]------------ [ 42.237710] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.239799] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.241301] Modules linked in: [ 42.241910] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.243878] Tainted: [W]=WARN [ 42.244486] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.245957] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.246868] 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 [ 42.250036] RSP: 0018:ffff888016d8fbc0 EFLAGS: 00010286 [ 42.251002] RAX: 0000000000000000 RBX: ffffed1002db1f78 RCX: ffffffff813a4050 [ 42.252290] RDX: ffff888017965340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.253584] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db1f2f [ 42.254889] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.256169] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d8fdf8 [ 42.257454] FS: 00007f4f44596900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.258890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.259952] CR2: 00007f4f44a88580 CR3: 000000001f7e5000 CR4: 0000000000350ef0 [ 42.261244] Call Trace: [ 42.261713] [ 42.262117] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.263007] ? __create_object+0x59/0x80 [ 42.263790] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.264761] __vmalloc_noprof+0x59/0x60 [ 42.266230] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.267054] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.267978] bpf_prog_alloc+0x39/0x200 [ 42.268704] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.269659] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.270565] do_seccomp+0x349/0x25e0 [ 42.271286] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.272135] ? __pfx_do_seccomp+0x10/0x10 [ 42.272925] ? find_held_lock+0x2b/0x80 [ 42.273701] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.274659] ? static_key_count+0x60/0x80 [ 42.275462] prctl_set_seccomp+0x4e/0x70 [ 42.276196] __do_sys_prctl+0xe6c/0x1d70 [ 42.276985] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.277869] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.278826] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.279799] ? irqentry_exit+0xf3/0x650 [ 42.280567] do_syscall_64+0xbf/0x430 [ 42.281313] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.282288] RIP: 0033:0x7f4f44a885cd [ 42.282962] 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 [ 42.286141] RSP: 002b:00007ffd7f6d6410 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.287506] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4f44a885cd [ 42.288786] RDX: 000055fc6dbc8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.290185] RBP: 00007ffd7f6d6470 R08: 0000000000000000 R09: 00007ffd7f6d5b10 [ 42.291582] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fc91fc4ad0 [ 42.292875] R13: 00007ffd7f6d68a0 R14: 000055fc91fc5bc0 R15: 000055fc91fd6780 [ 42.294188] [ 42.294651] irq event stamp: 1745 [ 42.295301] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 42.296828] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 42.298350] softirqs last enabled at (1616): [] handle_softirqs+0x50c/0x770 [ 42.299895] softirqs last disabled at (1611): [] __irq_exit_rcu+0xc4/0x100 [ 42.301418] ---[ end trace 0000000000000000 ]--- [ 43.150916] ------------[ cut here ]------------ [ 43.151953] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.154158] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 43.155803] Modules linked in: [ 43.156517] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.158684] Tainted: [W]=WARN [ 43.159349] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.160978] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.161996] 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 [ 43.165522] RSP: 0018:ffff8880176dfbc0 EFLAGS: 00010286 [ 43.166612] RAX: 0000000000000000 RBX: ffffed1002edbf78 RCX: ffffffff813a4050 [ 43.168048] RDX: ffff888017f7b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.169472] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002edbf2f [ 43.170905] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.172318] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176dfdf8 [ 43.173757] FS: 00007f83ad475900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.175355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.176537] CR2: 00007f83ad967580 CR3: 000000000e3c3000 CR4: 0000000000350ef0 [ 43.178179] Call Trace: [ 43.178885] [ 43.179550] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.180792] ? __create_object+0x59/0x80 [ 43.181724] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.182880] __vmalloc_noprof+0x59/0x60 [ 43.183789] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.184823] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.185925] bpf_prog_alloc+0x39/0x200 [ 43.186747] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.187785] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.188793] do_seccomp+0x349/0x25e0 [ 43.189597] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.190608] ? __pfx_do_seccomp+0x10/0x10 [ 43.191491] ? find_held_lock+0x2b/0x80 [ 43.192334] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.193408] ? static_key_count+0x60/0x80 [ 43.194310] prctl_set_seccomp+0x4e/0x70 [ 43.195126] __do_sys_prctl+0xe6c/0x1d70 [ 43.196002] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.196976] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.198082] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.199184] ? irqentry_exit+0xf3/0x650 [ 43.200089] do_syscall_64+0xbf/0x430 [ 43.200957] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.202107] RIP: 0033:0x7f83ad9675cd [ 43.202945] 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 [ 43.206659] RSP: 002b:00007ffd22aaae50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.208252] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f83ad9675cd [ 43.209772] RDX: 00005601557c7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.211230] RBP: 00007ffd22aaaeb0 R08: 0000000000000000 R09: 00007ffd22aaa550 [ 43.212682] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560184ea1b10 [ 43.214130] R13: 00007ffd22aab2e0 R14: 0000560184ea22b0 R15: 0000560184eb66f0 [ 43.215386] [ 43.215801] irq event stamp: 1757 [ 43.216427] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 43.217921] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 43.219400] softirqs last enabled at (1680): [] handle_softirqs+0x50c/0x770 [ 43.220886] softirqs last disabled at (1675): [] __irq_exit_rcu+0xc4/0x100 [ 43.222364] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:12740' (ECDSA) to the list of known hosts. 2025/11/18 17:47:33 fuzzer started 2025/11/18 17:47:33 dialing manager at localhost:34383 2025/11/18 17:47:33 checking machine... 2025/11/18 17:47:33 checking revisions... [ 44.117040] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:47:33 testing simple program... [ 44.208998] cgroup: Unknown subsys name 'net' [ 44.266075] cgroup: Unknown subsys name 'cpuset' [ 44.288773] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:47:32 Registers: info registers vcpu 0 RAX=000000000000033e RBX=ffff88800f221bc0 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff88800f222690 RDI=ffff88800f222668 RBP=ffff88800f222618 RSP=ffff888017f873e8 R8 =0000000000000003 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff88800f222690 R13=d83f6bf453d213f2 R14=0000000000000000 R15=0000000000000003 RIP=ffffffff815228f3 RFL=00000003 [------C] 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 00007f3f5d0fb700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4f44b4e0b0 CR3=000000000c948000 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=2032333a37343a373120383120766f4e XMM01=6964206465766965636552203a5d3034 XMM02=6f63736964203a31313a303236383320 XMM03=7266207463656e6e6f63736964206465 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732032333a37343a3731203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=0000000000000001 RCX=0000000000000001 RDX=1ffff11002a5befd RSI=ffff8880152df770 RDI=ffff8880152df7f0 RBP=ffff8880152df838 RSP=ffff8880152df6e0 R8 =0000000000000001 R9 =ffff8880152df7e0 R10=000000000003c9ed R11=0000000000006e2e R12=ffff8880152df800 R13=ffff8880152df7e8 R14=ffff8880152df770 R15=ffff8880152df7a0 RIP=ffffffff8135fb79 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 00007efdc8b3c900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007efdc8251000 CR3=000000000ad1c000 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=7576cf0e618f96b600000000000ae988 XMM05=90aa621498ed3843000000000031f230 XMM06=55ae8522692c5802000000000031dfd0 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000