syzkaller login: [ 39.113399] ------------[ cut here ]------------ [ 39.114363] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.116380] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.117831] Modules linked in: [ 39.118423] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.120649] Tainted: [W]=WARN [ 39.121312] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.122810] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.123691] 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 [ 39.126905] RSP: 0018:ffff888018befbc0 EFLAGS: 00010286 [ 39.127872] RAX: 0000000000000000 RBX: ffffed100317df78 RCX: ffffffff813a4050 [ 39.129148] RDX: ffff88801bc3b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.130426] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100317df2f [ 39.131688] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.132990] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018befdf8 [ 39.134298] FS: 00007f2a69d2e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.135742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.136798] CR2: 00007ffe1d348ef7 CR3: 000000000b750000 CR4: 0000000000350ef0 [ 39.138086] Call Trace: [ 39.138553] [ 39.139008] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.139900] ? __create_object+0x59/0x80 [ 39.140648] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.141613] __vmalloc_noprof+0x59/0x60 [ 39.142402] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.143287] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.144219] bpf_prog_alloc+0x39/0x200 [ 39.144943] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.145900] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.146793] do_seccomp+0x349/0x25e0 [ 39.147462] ? find_held_lock+0x2b/0x80 [ 39.148206] ? do_prlimit+0x310/0x610 [ 39.148930] ? __pfx_do_seccomp+0x10/0x10 [ 39.149661] ? do_raw_spin_unlock+0x53/0x220 [ 39.150499] ? _raw_spin_unlock+0x1e/0x40 [ 39.151279] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.152232] ? static_key_count+0x60/0x80 [ 39.153043] prctl_set_seccomp+0x4e/0x70 [ 39.153809] __do_sys_prctl+0xe6c/0x1d70 [ 39.154551] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.155401] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.156357] ? irqentry_exit+0xf3/0x650 [ 39.157098] do_syscall_64+0xbf/0x430 [ 39.157841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.158790] RIP: 0033:0x7f2a6a2205cd [ 39.159447] 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 [ 39.162574] RSP: 002b:00007ffe1d346960 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.163900] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a6a2205cd [ 39.165169] RDX: 0000561da1a41e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.166456] RBP: 00007ffe1d3469c0 R08: 0000000000000000 R09: 00007ffe1d346060 [ 39.167738] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561db3850b10 [ 39.169010] R13: 00007ffe1d346df0 R14: 0000561db38512b0 R15: 0000561db38656f0 [ 39.170322] [ 39.170770] irq event stamp: 1791 [ 39.171366] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 39.172868] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 39.174367] softirqs last enabled at (1540): [] handle_softirqs+0x50c/0x770 [ 39.175906] softirqs last disabled at (1535): [] __irq_exit_rcu+0xc4/0x100 [ 39.177390] ---[ end trace 0000000000000000 ]--- [ 42.624357] ------------[ cut here ]------------ [ 42.625312] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.627331] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.628784] Modules linked in: [ 42.629396] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.631398] Tainted: [W]=WARN [ 42.632005] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.633482] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.634400] 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 [ 42.637576] RSP: 0018:ffff88800d88fbc0 EFLAGS: 00010286 [ 42.638564] RAX: 0000000000000000 RBX: ffffed1001b11f78 RCX: ffffffff813a4050 [ 42.639852] RDX: ffff88801726b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.641120] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001b11f2f [ 42.642411] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.643695] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800d88fdf8 [ 42.644998] FS: 00007f634fde0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.646453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.647515] CR2: 00007ffe82be2ef7 CR3: 000000001ff0e000 CR4: 0000000000350ef0 [ 42.648796] Call Trace: [ 42.649264] [ 42.649671] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.650590] ? __create_object+0x59/0x80 [ 42.651384] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.652357] __vmalloc_noprof+0x59/0x60 [ 42.653115] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.654011] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.654942] bpf_prog_alloc+0x39/0x200 [ 42.655630] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.656546] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.657433] do_seccomp+0x349/0x25e0 [ 42.658169] ? find_held_lock+0x2b/0x80 [ 42.658928] ? do_prlimit+0x310/0x610 [ 42.659629] ? __pfx_do_seccomp+0x10/0x10 [ 42.660416] ? do_raw_spin_unlock+0x53/0x220 [ 42.661256] ? _raw_spin_unlock+0x1e/0x40 [ 42.662061] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.663022] ? static_key_count+0x60/0x80 [ 42.663825] prctl_set_seccomp+0x4e/0x70 [ 42.664554] __do_sys_prctl+0xe6c/0x1d70 [ 42.665340] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.666209] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.667179] ? irqentry_exit+0xf3/0x650 [ 42.667960] do_syscall_64+0xbf/0x430 [ 42.668663] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.669605] RIP: 0033:0x7f63502d25cd [ 42.670318] 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 [ 42.673490] RSP: 002b:00007ffe82be0bf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.674636] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f63502d25cd [ 42.675446] RDX: 0000563664057e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.676268] RBP: 00007ffe82be0c50 R08: 0000000000000000 R09: 00007ffe82be02f0 [ 42.677089] R10: 0000000000000000 R11: 0000000000000246 R12: 000056368c4c62b0 [ 42.677922] R13: 00007ffe82be1080 R14: 000056368c4c8d20 R15: 000056368c4da8d0 [ 42.678579] [ 42.678797] irq event stamp: 1763 [ 42.679076] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 42.679779] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 42.680458] softirqs last enabled at (1784): [] handle_softirqs+0x50c/0x770 [ 42.681165] softirqs last disabled at (1779): [] __irq_exit_rcu+0xc4/0x100 [ 42.681854] ---[ end trace 0000000000000000 ]--- [ 43.284524] ------------[ cut here ]------------ [ 43.285457] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.287458] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.288910] Modules linked in: [ 43.289498] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.291512] Tainted: [W]=WARN [ 43.292352] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.293911] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.294828] 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 [ 43.298028] RSP: 0018:ffff88801bd67bc0 EFLAGS: 00010286 [ 43.299006] RAX: 0000000000000000 RBX: ffffed10037acf78 RCX: ffffffff813a4050 [ 43.300296] RDX: ffff888016348000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.301580] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10037acf2f [ 43.302875] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.304161] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bd67df8 [ 43.305469] FS: 00007f77e4549900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.306920] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.307980] CR2: 00007ffee4a5cef7 CR3: 0000000013ce4000 CR4: 0000000000350ef0 [ 43.309266] Call Trace: [ 43.309785] [ 43.310200] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.311101] ? __create_object+0x59/0x80 [ 43.311889] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.312857] __vmalloc_noprof+0x59/0x60 [ 43.313570] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.314454] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.315387] bpf_prog_alloc+0x39/0x200 [ 43.316130] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.317067] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.317980] do_seccomp+0x349/0x25e0 [ 43.318651] ? find_held_lock+0x2b/0x80 [ 43.319406] ? do_prlimit+0x310/0x610 [ 43.320151] ? __pfx_do_seccomp+0x10/0x10 [ 43.320944] ? do_raw_spin_unlock+0x53/0x220 [ 43.321792] ? _raw_spin_unlock+0x1e/0x40 [ 43.322530] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.323485] ? static_key_count+0x60/0x80 [ 43.324281] prctl_set_seccomp+0x4e/0x70 [ 43.325055] __do_sys_prctl+0xe6c/0x1d70 [ 43.325855] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.326670] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.327633] ? irqentry_exit+0xf3/0x650 [ 43.328396] do_syscall_64+0xbf/0x430 [ 43.329137] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.330094] RIP: 0033:0x7f77e4a3b5cd [ 43.330798] 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 [ 43.333989] RSP: 002b:00007ffee4a5a4d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.335355] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f77e4a3b5cd [ 43.336641] RDX: 0000558ad61f3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.337945] RBP: 00007ffee4a5a530 R08: 0000000000000000 R09: 00007ffee4a59bd0 [ 43.339228] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558affee2ad0 [ 43.340508] R13: 00007ffee4a5a960 R14: 0000558affee3bc0 R15: 0000558affef4780 [ 43.341820] [ 43.342249] irq event stamp: 1795 [ 43.342820] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 43.344095] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 43.345374] softirqs last enabled at (1378): [] handle_softirqs+0x50c/0x770 [ 43.346680] softirqs last disabled at (1373): [] __irq_exit_rcu+0xc4/0x100 [ 43.347987] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:5924' (ECDSA) to the list of known hosts. 2025/11/18 13:03:37 fuzzer started 2025/11/18 13:03:38 dialing manager at localhost:34383 2025/11/18 13:03:38 checking machine... 2025/11/18 13:03:38 checking revisions... [ 44.132290] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:03:38 testing simple program... [ 44.225564] cgroup: Unknown subsys name 'net' [ 44.302765] cgroup: Unknown subsys name 'cpuset' [ 44.327482] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 13:03:37 Registers: info registers vcpu 0 RAX=ffffffff86a4326b RBX=0000000000000001 RCX=ffffffff86a43268 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff86a4326a RBP=ffff888009627898 RSP=ffff8880096277d0 R8 =0000000000000001 R9 =ffff888009627880 R10=000000000003c9ed R11=0000000000011d7b R12=ffff8880096278a0 R13=ffff888009627888 R14=ffff888009627d50 R15=ffff888009627840 RIP=ffffffff8135faef 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007faee2aac000 CR3=0000000015eba000 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=3cbcacf333d8dbb607462b5d36f4888a XMM02=ec2efd57dc4c00df0000000000302200 XMM03=78037f3c26347dcd00000000003022d0 XMM04=cee991a4b1b9533f00000000000ae988 XMM05=ca839f84659c797b000000000031fa40 XMM06=474038aa6c007e1f000000000031f3e0 XMM07=e042d86d42eb936e000000000030e7a8 XMM08=78037f3c26347dcd00000000003022d0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000020643 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 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6350397618 CR3=000000001ffae000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000