syzkaller login: [ 46.079496] ------------[ cut here ]------------ [ 46.080351] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.082767] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/236 [ 46.084210] Modules linked in: [ 46.084843] CPU: 0 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.086827] Tainted: [W]=WARN [ 46.087382] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.088817] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.089724] 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 [ 46.092872] RSP: 0018:ffff888016da7bc0 EFLAGS: 00010286 [ 46.093839] RAX: 0000000000000000 RBX: ffffed1002db4f78 RCX: ffffffff813a4050 [ 46.095118] RDX: ffff88801804d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.096382] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db4f2f [ 46.097662] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.098955] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016da7df8 [ 46.100238] FS: 00007f7e7806f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.101666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.102727] CR2: 00007f7e785d54a6 CR3: 0000000015ebf000 CR4: 0000000000350ef0 [ 46.103999] Call Trace: [ 46.104497] [ 46.104904] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.105791] ? __create_object+0x59/0x80 [ 46.106577] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.107537] __vmalloc_noprof+0x59/0x60 [ 46.108244] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.109103] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.110022] bpf_prog_alloc+0x39/0x200 [ 46.110751] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.111682] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.112587] do_seccomp+0x349/0x25e0 [ 46.113261] ? find_held_lock+0x2b/0x80 [ 46.114028] ? do_prlimit+0x310/0x610 [ 46.114767] ? __pfx_do_seccomp+0x10/0x10 [ 46.115538] ? do_raw_spin_unlock+0x53/0x220 [ 46.116317] ? _raw_spin_unlock+0x1e/0x40 [ 46.117087] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.118048] ? static_key_count+0x60/0x80 [ 46.118856] prctl_set_seccomp+0x4e/0x70 [ 46.119634] __do_sys_prctl+0xe6c/0x1d70 [ 46.120365] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.121213] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.122195] ? irqentry_exit+0xf3/0x650 [ 46.122964] do_syscall_64+0xbf/0x430 [ 46.123716] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.124678] RIP: 0033:0x7f7e785615cd [ 46.125352] 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 [ 46.128519] RSP: 002b:00007ffce8a2f240 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.129910] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7e785615cd [ 46.131204] RDX: 000055d610262e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.132494] RBP: 00007ffce8a2f2a0 R08: 0000000000000000 R09: 00007ffce8a2e940 [ 46.133782] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d63302f240 [ 46.135077] R13: 00007ffce8a2f6d0 R14: 000055d63302ebf0 R15: 000055d6330434d0 [ 46.136374] [ 46.136834] irq event stamp: 1807 [ 46.137478] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 46.139028] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 46.140537] softirqs last enabled at (1774): [] handle_softirqs+0x50c/0x770 [ 46.142092] softirqs last disabled at (1769): [] __irq_exit_rcu+0xc4/0x100 [ 46.143614] ---[ end trace 0000000000000000 ]--- [ 49.409688] ------------[ cut here ]------------ [ 49.410650] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.412690] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 49.414199] Modules linked in: [ 49.414843] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.417052] Tainted: [W]=WARN [ 49.417720] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.419229] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.420150] 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 [ 49.423320] RSP: 0018:ffff88801808fbc0 EFLAGS: 00010286 [ 49.424300] RAX: 0000000000000000 RBX: ffffed1003011f78 RCX: ffffffff813a4050 [ 49.425584] RDX: ffff8880161f0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.426909] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003011f2f [ 49.428203] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.429497] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801808fdf8 [ 49.430807] FS: 00007f8a5c8ec900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.432265] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.433327] CR2: 00007ffc238e9ef8 CR3: 0000000009bb8000 CR4: 0000000000350ef0 [ 49.434625] Call Trace: [ 49.435096] [ 49.435564] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.436487] ? __create_object+0x59/0x80 [ 49.437237] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.438237] __vmalloc_noprof+0x59/0x60 [ 49.438998] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.439894] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.440837] bpf_prog_alloc+0x39/0x200 [ 49.441587] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.442553] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.443480] do_seccomp+0x349/0x25e0 [ 49.444176] ? find_held_lock+0x2b/0x80 [ 49.444941] ? do_prlimit+0x310/0x610 [ 49.445689] ? __pfx_do_seccomp+0x10/0x10 [ 49.446506] ? do_raw_spin_unlock+0x53/0x220 [ 49.447299] ? _raw_spin_unlock+0x1e/0x40 [ 49.448091] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.449072] ? static_key_count+0x60/0x80 [ 49.449895] prctl_set_seccomp+0x4e/0x70 [ 49.450693] __do_sys_prctl+0xe6c/0x1d70 [ 49.451493] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.452305] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.453284] ? irqentry_exit+0xf3/0x650 [ 49.454072] do_syscall_64+0xbf/0x430 [ 49.454836] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.455811] RIP: 0033:0x7f8a5cdde5cd [ 49.456535] 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 [ 49.459784] RSP: 002b:00007ffc238e8340 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.461177] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8a5cdde5cd [ 49.462508] RDX: 000055fe8735ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.463819] RBP: 00007ffc238e83a0 R08: 0000000000000000 R09: 00007ffc238e7a40 [ 49.465127] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fead7bbad0 [ 49.466467] R13: 00007ffc238e87d0 R14: 000055fead7bcbc0 R15: 000055fead7cd780 [ 49.467799] [ 49.468230] irq event stamp: 1863 [ 49.468893] hardirqs last enabled at (1873): [] __up_console_sem+0x78/0x80 [ 49.470462] hardirqs last disabled at (1882): [] __up_console_sem+0x5d/0x80 [ 49.472031] softirqs last enabled at (1906): [] handle_softirqs+0x50c/0x770 [ 49.473618] softirqs last disabled at (1891): [] __irq_exit_rcu+0xc4/0x100 [ 49.475176] ---[ end trace 0000000000000000 ]--- [ 50.296988] ------------[ cut here ]------------ [ 50.297786] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.299565] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 50.300842] Modules linked in: [ 50.301346] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.303063] Tainted: [W]=WARN [ 50.303626] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.304868] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.305650] 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 [ 50.308293] RSP: 0018:ffff88801af37bc0 EFLAGS: 00010286 [ 50.309107] RAX: 0000000000000000 RBX: ffffed10035e6f78 RCX: ffffffff813a4050 [ 50.310188] RDX: ffff888016063780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.311261] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035e6f2f [ 50.312336] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.313400] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801af37df8 [ 50.314501] FS: 00007f6163275900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.315692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.316580] CR2: 00007f6163767580 CR3: 000000001f7bb000 CR4: 0000000000350ef0 [ 50.317651] Call Trace: [ 50.318044] [ 50.318385] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.319147] ? __create_object+0x59/0x80 [ 50.319803] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.320617] __vmalloc_noprof+0x59/0x60 [ 50.321208] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.321957] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.322736] bpf_prog_alloc+0x39/0x200 [ 50.323315] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.324090] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.324835] do_seccomp+0x349/0x25e0 [ 50.325398] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.326161] ? __pfx_do_seccomp+0x10/0x10 [ 50.326810] ? find_held_lock+0x2b/0x80 [ 50.327404] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.328206] ? static_key_count+0x60/0x80 [ 50.328879] prctl_set_seccomp+0x4e/0x70 [ 50.329527] __do_sys_prctl+0xe6c/0x1d70 [ 50.330150] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.330864] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.331663] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.332480] ? irqentry_exit+0xf3/0x650 [ 50.333081] do_syscall_64+0xbf/0x430 [ 50.333708] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.334522] RIP: 0033:0x7f61637675cd [ 50.335070] 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 [ 50.337698] RSP: 002b:00007ffc67f27000 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.338848] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f61637675cd [ 50.339910] RDX: 000055d8c8c94e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.340975] RBP: 00007ffc67f27060 R08: 0000000000000000 R09: 00007ffc67f26700 [ 50.342054] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d8d2003ad0 [ 50.343116] R13: 00007ffc67f27490 R14: 000055d8d2004bc0 R15: 000055d8d2015780 [ 50.344199] [ 50.344581] irq event stamp: 1703 [ 50.345084] hardirqs last enabled at (1711): [] __up_console_sem+0x78/0x80 [ 50.346358] hardirqs last disabled at (1720): [] __up_console_sem+0x5d/0x80 [ 50.347633] softirqs last enabled at (1254): [] handle_softirqs+0x50c/0x770 [ 50.348915] softirqs last disabled at (1249): [] __irq_exit_rcu+0xc4/0x100 [ 50.350195] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:36674' (ECDSA) to the list of known hosts. 2025/11/18 06:19:12 fuzzer started 2025/11/18 06:19:13 dialing manager at localhost:37895 2025/11/18 06:19:13 checking machine... 2025/11/18 06:19:13 checking revisions... [ 51.374103] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:19:13 testing simple program... [ 51.460394] cgroup: Unknown subsys name 'net' [ 51.517115] cgroup: Unknown subsys name 'cpuset' [ 51.539243] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 06:19:12 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=ffff888015bc5340 RCX=ffffffff87d1a748 RDX=0000000000000001 RSI=0000000000000000 RDI=0000000000000003 RBP=ffff888015bc5d98 RSP=ffff888015957268 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888015bc5e10 R13=0000000000000001 R14=0000000000000000 R15=0000000000000004 RIP=ffffffff81527236 RFL=00000007 [-----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 00007f57fc7c1900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f57fbed9000 CR3=0000000015c84000 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=5e56d7f3fb6018832c45a5c300220b21 XMM02=ec2efd57dc4c00df0000000000304578 XMM03=893c54158c3f96f70000000000304648 XMM04=459691a70c6ea2be00000000000ae988 XMM05=818f78fd8a26a1110000000000321e58 XMM06=3e829fc8c8edc99000000000003204e0 XMM07=fb795ef6d65770560000000000310318 XMM08=2c67c8bc2e329bc300000000003045e8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff88801a0573e8 RCX=0000000000000001 RDX=1ffff1100340ae7e RSI=ffff88801a057480 RDI=ffff88801a0573f0 RBP=ffff88801a057480 RSP=ffff88801a0572f0 R8 =0000000000000001 R9 =ffff88801a057428 R10=000000000003c9ed R11=000000000000453f R12=0000000000000008 R13=ffff88801a057430 R14=ffff88801a057480 R15=ffff88801a0573e8 RIP=ffffffff8135e265 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 00007f8a5c8ec900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc238e2000 CR3=000000001874d000 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