syzkaller login: [ 46.455219] ------------[ cut here ]------------ [ 46.456145] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.458161] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 46.459625] Modules linked in: [ 46.460305] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.462286] Tainted: [W]=WARN [ 46.462888] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.464359] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.465280] 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 [ 46.468465] RSP: 0018:ffff8880166f7bc0 EFLAGS: 00010286 [ 46.469464] RAX: 0000000000000000 RBX: ffffed1002cdef78 RCX: ffffffff813a4050 [ 46.470740] RDX: ffff8880161eb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.472023] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cdef2f [ 46.473313] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.474586] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880166f7df8 [ 46.475871] FS: 00007fcec5c8c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.477321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.478416] CR2: 00007ffc1cc37ef7 CR3: 000000000b8ca000 CR4: 0000000000350ef0 [ 46.479707] Call Trace: [ 46.480167] [ 46.480572] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.481476] ? __create_object+0x59/0x80 [ 46.482244] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.483302] __vmalloc_noprof+0x59/0x60 [ 46.484064] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.484958] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.485887] bpf_prog_alloc+0x39/0x200 [ 46.486572] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.487497] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.488388] do_seccomp+0x349/0x25e0 [ 46.489117] ? find_held_lock+0x2b/0x80 [ 46.489877] ? do_prlimit+0x310/0x610 [ 46.490576] ? __pfx_do_seccomp+0x10/0x10 [ 46.491370] ? do_raw_spin_unlock+0x53/0x220 [ 46.492205] ? _raw_spin_unlock+0x1e/0x40 [ 46.492987] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.493948] ? static_key_count+0x60/0x80 [ 46.494746] prctl_set_seccomp+0x4e/0x70 [ 46.495472] __do_sys_prctl+0xe6c/0x1d70 [ 46.496255] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.497114] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.498082] ? irqentry_exit+0xf3/0x650 [ 46.498847] do_syscall_64+0xbf/0x430 [ 46.499554] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.500514] RIP: 0033:0x7fcec617e5cd [ 46.501222] 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 [ 46.504390] RSP: 002b:00007ffc1cc364b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.505766] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcec617e5cd [ 46.507057] RDX: 0000558076227e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.508328] RBP: 00007ffc1cc36510 R08: 0000000000000000 R09: 00007ffc1cc35bb0 [ 46.509627] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558084186b10 [ 46.510914] R13: 00007ffc1cc36940 R14: 00005580841872b0 R15: 000055808419b6f0 [ 46.512209] [ 46.512630] irq event stamp: 1777 [ 46.513289] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 46.514813] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 46.516327] softirqs last enabled at (1756): [] handle_softirqs+0x50c/0x770 [ 46.517868] softirqs last disabled at (1741): [] __irq_exit_rcu+0xc4/0x100 [ 46.519371] ---[ end trace 0000000000000000 ]--- [ 49.939206] ------------[ cut here ]------------ [ 49.940185] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.942279] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 49.943762] Modules linked in: [ 49.944382] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.946765] Tainted: [W]=WARN [ 49.947365] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.948948] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.949907] 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 [ 49.953180] RSP: 0018:ffff88801656fbc0 EFLAGS: 00010286 [ 49.954203] RAX: 0000000000000000 RBX: ffffed1002cadf78 RCX: ffffffff813a4050 [ 49.955572] RDX: ffff888015d6b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.956891] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cadf2f [ 49.958241] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.959855] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801656fdf8 [ 49.961507] FS: 00007f3f786f9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.963342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.964524] CR2: 00007ffc3ae33ef7 CR3: 000000000bd15000 CR4: 0000000000350ef0 [ 49.965949] Call Trace: [ 49.966472] [ 49.966958] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.967937] ? __create_object+0x59/0x80 [ 49.968809] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.969858] __vmalloc_noprof+0x59/0x60 [ 49.970626] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.971561] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.972568] bpf_prog_alloc+0x39/0x200 [ 49.973392] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.974395] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.975374] do_seccomp+0x349/0x25e0 [ 49.976147] ? find_held_lock+0x2b/0x80 [ 49.976960] ? do_prlimit+0x310/0x610 [ 49.977774] ? __pfx_do_seccomp+0x10/0x10 [ 49.978724] ? do_raw_spin_unlock+0x53/0x220 [ 49.979574] ? _raw_spin_unlock+0x1e/0x40 [ 49.980438] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.981502] ? static_key_count+0x60/0x80 [ 49.982404] prctl_set_seccomp+0x4e/0x70 [ 49.983237] __do_sys_prctl+0xe6c/0x1d70 [ 49.984110] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.985055] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.986101] ? irqentry_exit+0xf3/0x650 [ 49.986916] do_syscall_64+0xbf/0x430 [ 49.987709] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.988713] RIP: 0033:0x7f3f78beb5cd [ 49.989436] 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 [ 49.992817] RSP: 002b:00007ffc3ae326e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.994204] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3f78beb5cd [ 49.995502] RDX: 0000555b214d9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.996811] RBP: 00007ffc3ae32740 R08: 0000000000000000 R09: 00007ffc3ae31de0 [ 49.998109] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555b52cc7ad0 [ 49.999403] R13: 00007ffc3ae32b70 R14: 0000555b52cc8bc0 R15: 0000555b52cd9780 [ 50.000744] [ 50.001177] irq event stamp: 1843 [ 50.001762] hardirqs last enabled at (1853): [] __up_console_sem+0x78/0x80 [ 50.003155] hardirqs last disabled at (1862): [] __up_console_sem+0x5d/0x80 [ 50.004511] softirqs last enabled at (1832): [] handle_softirqs+0x50c/0x770 [ 50.005923] softirqs last disabled at (1827): [] __irq_exit_rcu+0xc4/0x100 [ 50.007262] ---[ end trace 0000000000000000 ]--- [ 50.852831] ------------[ cut here ]------------ [ 50.853826] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.855857] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/257 [ 50.857348] Modules linked in: [ 50.857982] CPU: 1 UID: 104 PID: 257 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.860036] Tainted: [W]=WARN [ 50.860605] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.862122] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.863070] 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 [ 50.866316] RSP: 0018:ffff88801ac2fbc0 EFLAGS: 00010286 [ 50.867343] RAX: 0000000000000000 RBX: ffffed1003585f78 RCX: ffffffff813a4050 [ 50.868684] RDX: ffff88800f315340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.870013] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003585f2f [ 50.871340] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.872687] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ac2fdf8 [ 50.874044] FS: 00007fa9fd37e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.875530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.876612] CR2: 00007ffdee2adef7 CR3: 000000000c055000 CR4: 0000000000350ef0 [ 50.877943] Call Trace: [ 50.878430] [ 50.878891] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.879811] ? __create_object+0x59/0x80 [ 50.880810] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.882022] __vmalloc_noprof+0x59/0x60 [ 50.882962] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.884047] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.885222] bpf_prog_alloc+0x39/0x200 [ 50.886162] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.887325] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.888360] do_seccomp+0x349/0x25e0 [ 50.889135] ? find_held_lock+0x2b/0x80 [ 50.889887] ? do_prlimit+0x310/0x610 [ 50.890608] ? __pfx_do_seccomp+0x10/0x10 [ 50.891418] ? do_raw_spin_unlock+0x53/0x220 [ 50.892271] ? _raw_spin_unlock+0x1e/0x40 [ 50.893079] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.894079] ? static_key_count+0x60/0x80 [ 50.894908] prctl_set_seccomp+0x4e/0x70 [ 50.895653] __do_sys_prctl+0xe6c/0x1d70 [ 50.896470] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.897366] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.898366] ? irqentry_exit+0xf3/0x650 [ 50.899145] do_syscall_64+0xbf/0x430 [ 50.899886] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.900870] RIP: 0033:0x7fa9fd8705cd [ 50.901545] 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 [ 50.904890] RSP: 002b:00007ffdee2ac0b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.906085] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa9fd8705cd [ 50.907210] RDX: 000055a1def77e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.908326] RBP: 00007ffdee2ac110 R08: 0000000000000000 R09: 00007ffdee2ab7b0 [ 50.909429] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a1e8166240 [ 50.910509] R13: 00007ffdee2ac540 R14: 000055a1e816f380 R15: 000055a1e817a540 [ 50.911594] [ 50.911975] irq event stamp: 1727 [ 50.912489] hardirqs last enabled at (1735): [] __up_console_sem+0x78/0x80 [ 50.913767] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 50.915047] softirqs last enabled at (1464): [] handle_softirqs+0x50c/0x770 [ 50.916350] softirqs last disabled at (1457): [] __irq_exit_rcu+0xc4/0x100 [ 50.917680] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:27336' (ECDSA) to the list of known hosts. 2025/11/18 08:40:52 fuzzer started 2025/11/18 08:40:53 dialing manager at localhost:34383 2025/11/18 08:40:53 checking machine... 2025/11/18 08:40:53 checking revisions... [ 51.862537] kmemleak: Automatic memory scanning thread ended 2025/11/18 08:40:53 testing simple program... [ 51.946011] cgroup: Unknown subsys name 'net' [ 52.002227] cgroup: Unknown subsys name 'cpuset' [ 52.014061] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 08:40:52 Registers: info registers vcpu 0 RAX=ffffffff815d6c98 RBX=0000000000000001 RCX=ffffffff86aaf1f0 RDX=dffffc0000000000 RSI=ffff888009627c38 RDI=1ffff110012c4f17 RBP=ffff8880096278b8 RSP=ffff8880096277f0 R8 =ffffffff86aaf1f4 R9 =ffff8880096278a0 R10=000000000003c9ed R11=0000000000023d68 R12=ffff8880096278c0 R13=ffff8880096278a8 R14=ffff888009627c40 R15=ffff888009627860 RIP=ffffffff8135efdb 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 fffffe6a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3f78cb10b0 CR3=000000000de6e000 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=2032353a30343a383020383120766f4e XMM01=6964206465766965636552203a5d3934 XMM02=6f63736964203a31313a303339303420 XMM03=7266207463656e6e6f63736964206465 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031353a30343a3830203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000244eb 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=00000206 [-----P-] 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 fffffe2800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0feb2d6010 CR3=000000000d5c9000 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=a442ccc013919a812b44fa46ef64bed6 XMM02=2c67c8bc2e329bc30000000000304c48 XMM03=fb795ef6d65770560000000000311cf8 XMM04=2007db525b47438c00000000000ae988 XMM05=44ac89faec6c05fb0000000000321d18 XMM06=5b441c9aa74920470000000000320b30 XMM07=e042d86d42eb936e0000000000311f78 XMM08=f499aeb7da75ebe00000000000304ca8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000