syzkaller login: [ 39.028586] ------------[ cut here ]------------ [ 39.029624] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.031978] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.033916] Modules linked in: [ 39.035075] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.037396] Tainted: [W]=WARN [ 39.038046] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.039782] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.040847] 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 [ 39.044554] RSP: 0018:ffff88801b4b7bc0 EFLAGS: 00010286 [ 39.045695] RAX: 0000000000000000 RBX: ffffed1003696f78 RCX: ffffffff813a4050 [ 39.047209] RDX: ffff888016301bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.048700] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003696f2f [ 39.050166] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.051639] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b4b7df8 [ 39.053140] FS: 00007fc7defbc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.054830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.056064] CR2: 00007ffcb48a4ef7 CR3: 000000001e940000 CR4: 0000000000350ef0 [ 39.057574] Call Trace: [ 39.058114] [ 39.058636] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.059544] ? __create_object+0x59/0x80 [ 39.060341] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.061304] __vmalloc_noprof+0x59/0x60 [ 39.062007] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.062889] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.063816] bpf_prog_alloc+0x39/0x200 [ 39.064558] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.065487] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.066382] do_seccomp+0x349/0x25e0 [ 39.067057] ? find_held_lock+0x2b/0x80 [ 39.067808] ? do_prlimit+0x310/0x610 [ 39.068550] ? __pfx_do_seccomp+0x10/0x10 [ 39.069339] ? do_raw_spin_unlock+0x53/0x220 [ 39.070127] ? _raw_spin_unlock+0x1e/0x40 [ 39.070921] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.071896] ? static_key_count+0x60/0x80 [ 39.072706] prctl_set_seccomp+0x4e/0x70 [ 39.073491] __do_sys_prctl+0xe6c/0x1d70 [ 39.074268] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.075089] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.076039] ? irqentry_exit+0xf3/0x650 [ 39.076799] do_syscall_64+0xbf/0x430 [ 39.077523] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.078476] RIP: 0033:0x7fc7df4ae5cd [ 39.079134] 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 [ 39.082274] RSP: 002b:00007ffcb48a3050 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.083649] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc7df4ae5cd [ 39.084940] RDX: 0000556a64a53e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.086238] RBP: 00007ffcb48a30b0 R08: 0000000000000000 R09: 00007ffcb48a2750 [ 39.087372] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556a8e029240 [ 39.088394] R13: 00007ffcb48a34e0 R14: 0000556a8e028bf0 R15: 0000556a8e03d4d0 [ 39.089424] [ 39.089766] irq event stamp: 1879 [ 39.090276] hardirqs last enabled at (1889): [] __up_console_sem+0x78/0x80 [ 39.091495] hardirqs last disabled at (1898): [] __up_console_sem+0x5d/0x80 [ 39.092706] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 39.093938] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 39.095154] ---[ end trace 0000000000000000 ]--- [ 42.036966] ------------[ cut here ]------------ [ 42.037440] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.038354] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.039008] Modules linked in: [ 42.039302] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.040183] Tainted: [W]=WARN [ 42.040477] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.041126] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.041552] 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 [ 42.043005] RSP: 0018:ffff8880182e7bc0 EFLAGS: 00010286 [ 42.043457] RAX: 0000000000000000 RBX: ffffed100305cf78 RCX: ffffffff813a4050 [ 42.044027] RDX: ffff888016ead340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.044614] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100305cf2f [ 42.045175] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.045762] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880182e7df8 [ 42.046349] FS: 00007f7b2e6a0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.046999] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.047485] CR2: 00007fffec82def7 CR3: 000000000e70e000 CR4: 0000000000350ef0 [ 42.048054] Call Trace: [ 42.048286] [ 42.048475] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.048863] ? __create_object+0x59/0x80 [ 42.049198] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.049641] __vmalloc_noprof+0x59/0x60 [ 42.049964] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.050364] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.050779] bpf_prog_alloc+0x39/0x200 [ 42.051092] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.051517] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.051910] do_seccomp+0x349/0x25e0 [ 42.052235] ? find_held_lock+0x2b/0x80 [ 42.052561] ? do_prlimit+0x310/0x610 [ 42.052876] ? __pfx_do_seccomp+0x10/0x10 [ 42.053232] ? do_raw_spin_unlock+0x53/0x220 [ 42.053593] ? _raw_spin_unlock+0x1e/0x40 [ 42.053925] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.054365] ? static_key_count+0x60/0x80 [ 42.054718] prctl_set_seccomp+0x4e/0x70 [ 42.055049] __do_sys_prctl+0xe6c/0x1d70 [ 42.055411] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.055781] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.056201] ? irqentry_exit+0xf3/0x650 [ 42.056551] do_syscall_64+0xbf/0x430 [ 42.056869] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.057301] RIP: 0033:0x7f7b2eb925cd [ 42.057603] 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 [ 42.059059] RSP: 002b:00007fffec82b8f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.059682] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7b2eb925cd [ 42.060275] RDX: 000055ae15f4ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.060843] RBP: 00007fffec82b950 R08: 0000000000000000 R09: 00007fffec82aff0 [ 42.061423] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ae18395ad0 [ 42.061987] R13: 00007fffec82bd80 R14: 000055ae18396bc0 R15: 000055ae183a7780 [ 42.062588] [ 42.062782] irq event stamp: 2511 [ 42.063055] hardirqs last enabled at (2519): [] __up_console_sem+0x78/0x80 [ 42.063754] hardirqs last disabled at (2528): [] __up_console_sem+0x5d/0x80 [ 42.064448] softirqs last enabled at (2022): [] handle_softirqs+0x50c/0x770 [ 42.065130] softirqs last disabled at (2017): [] __irq_exit_rcu+0xc4/0x100 [ 42.065823] ---[ end trace 0000000000000000 ]--- [ 42.607080] ------------[ cut here ]------------ [ 42.607971] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.609974] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.611397] Modules linked in: [ 42.611972] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.613926] Tainted: [W]=WARN [ 42.614522] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.616188] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.617148] 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 [ 42.620250] RSP: 0018:ffff8880178efbc0 EFLAGS: 00010286 [ 42.621166] RAX: 0000000000000000 RBX: ffffed1002f1df78 RCX: ffffffff813a4050 [ 42.622428] RDX: ffff88800edc3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.623685] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f1df2f [ 42.624946] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.626208] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880178efdf8 [ 42.627496] FS: 00007fe1b04a6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.628902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.629951] CR2: 00007fe1b0998580 CR3: 000000000e4d5000 CR4: 0000000000350ef0 [ 42.631241] Call Trace: [ 42.631701] [ 42.632104] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.632974] ? __create_object+0x59/0x80 [ 42.633739] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.634702] __vmalloc_noprof+0x59/0x60 [ 42.635445] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.636314] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.637186] bpf_prog_alloc+0x39/0x200 [ 42.637908] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.638836] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.639726] do_seccomp+0x349/0x25e0 [ 42.640437] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.641327] ? __pfx_do_seccomp+0x10/0x10 [ 42.642055] ? find_held_lock+0x2b/0x80 [ 42.642810] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.643765] ? static_key_count+0x60/0x80 [ 42.644560] prctl_set_seccomp+0x4e/0x70 [ 42.645327] __do_sys_prctl+0xe6c/0x1d70 [ 42.646048] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.646900] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.647861] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.648818] ? irqentry_exit+0xf3/0x650 [ 42.649567] do_syscall_64+0xbf/0x430 [ 42.650295] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.651196] RIP: 0033:0x7fe1b09985cd [ 42.651895] 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 [ 42.655018] RSP: 002b:00007ffe811e0090 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.656347] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe1b09985cd [ 42.657608] RDX: 0000560c57618e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.658890] RBP: 00007ffe811e00f0 R08: 0000000000000000 R09: 00007ffe811df790 [ 42.660148] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560c939ee240 [ 42.661414] R13: 00007ffe811e0520 R14: 0000560c939f7380 R15: 0000560c93a02540 [ 42.662690] [ 42.663105] irq event stamp: 1879 [ 42.663667] hardirqs last enabled at (1889): [] __up_console_sem+0x78/0x80 [ 42.664890] hardirqs last disabled at (1898): [] __up_console_sem+0x5d/0x80 [ 42.666110] softirqs last enabled at (1838): [] handle_softirqs+0x50c/0x770 [ 42.667353] softirqs last disabled at (1833): [] __irq_exit_rcu+0xc4/0x100 [ 42.668571] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:24713' (ECDSA) to the list of known hosts. 2025/11/18 20:32:58 fuzzer started 2025/11/18 20:32:58 dialing manager at localhost:34383 2025/11/18 20:32:58 checking machine... 2025/11/18 20:32:58 checking revisions... [ 43.481392] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:32:58 testing simple program... [ 43.573475] cgroup: Unknown subsys name 'net' [ 43.639951] cgroup: Unknown subsys name 'cpuset' [ 43.650774] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:32:57 Registers: info registers vcpu 0 RAX=ffffe8ffffc13d08 RBX=ffff8880167a4000 RCX=1ffffd1ffff82889 RDX=0000607f1a885438 RSI=ffffffff816e178d RDI=ffff8880167a4020 RBP=0000000000000000 RSP=ffff88806ce08568 R8 =ffffffff85a8dc80 R9 =fffffbfff10b3075 R10=0000000000010101 R11=0000001cd5fb1e52 R12=1ffff1100d9c10af R13=ffff8880167a4008 R14=ffffe8ffffc14448 R15=ffffe8ffffc14438 RIP=ffffffff816e1801 RFL=00000046 [---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 00007f7b2e6a0900 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=00007f7b2e660008 CR3=00000000211bb000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffff888009643780 RCX=0000000000000002 RDX=0000000088596101 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff8880096441d8 RSP=ffff88806cf088c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000002 RIP=ffffffff81526ff1 RFL=00000817 [-O--APC] 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 fffffe5e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f32b639e6f8 CR3=000000000e0a9000 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=c2837962051b88935446e13e9c1a1cd3 XMM02=ec2efd57dc4c00df0000000000305958 XMM03=9cf9c3407d7aa1110000000000305a28 XMM04=dd780308855fee6400000000000ae988 XMM05=07c8bb74b6c04a440000000000321538 XMM06=d74844bf967d85ba00000000003213c0 XMM07=e042d86d42eb936e0000000000311a20 XMM08=9cf9c3407d7aa1110000000000305a28 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000