[ 46.614626] ------------[ cut here ]------------ [ 46.615608] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.617603] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.619055] Modules linked in: [ 46.619639] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.621627] Tainted: [W]=WARN [ 46.622213] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.623660] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.624581] 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 [ 46.627739] RSP: 0018:ffff88801ad3fbc0 EFLAGS: 00010286 [ 46.628718] RAX: 0000000000000000 RBX: ffffed10035a7f78 RCX: ffffffff813a4050 [ 46.630011] RDX: ffff888016363780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.631303] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035a7f2f [ 46.632602] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.633863] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ad3fdf8 [ 46.635121] FS: 00007fdfd3b9a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.636548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.637605] CR2: 00007ffc8eaadef7 CR3: 0000000013208000 CR4: 0000000000350ef0 [ 46.638938] Call Trace: [ 46.639401] [ 46.639813] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.640722] ? __create_object+0x59/0x80 [ 46.641487] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.642444] __vmalloc_noprof+0x59/0x60 [ 46.643197] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.644078] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.645018] bpf_prog_alloc+0x39/0x200 [ 46.645714] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.646644] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.647524] do_seccomp+0x349/0x25e0 [ 46.648228] ? find_held_lock+0x2b/0x80 [ 46.649001] ? do_prlimit+0x310/0x610 [ 46.649686] ? __pfx_do_seccomp+0x10/0x10 [ 46.650465] ? do_raw_spin_unlock+0x53/0x220 [ 46.651283] ? _raw_spin_unlock+0x1e/0x40 [ 46.652061] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.653039] ? static_key_count+0x60/0x80 [ 46.653792] prctl_set_seccomp+0x4e/0x70 [ 46.654565] __do_sys_prctl+0xe6c/0x1d70 [ 46.655350] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.656198] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.657180] ? irqentry_exit+0xf3/0x650 [ 46.657959] do_syscall_64+0xbf/0x430 [ 46.658654] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.659603] RIP: 0033:0x7fdfd408c5cd [ 46.660298] 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 [ 46.663493] RSP: 002b:00007ffc8eaaca20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.664853] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd408c5cd [ 46.666138] RDX: 0000561bc9411e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.667422] RBP: 00007ffc8eaaca80 R08: 0000000000000000 R09: 00007ffc8eaac120 [ 46.668701] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561c01e55240 [ 46.669975] R13: 00007ffc8eaaceb0 R14: 0000561c01e5e380 R15: 0000561c01e69540 [ 46.671273] [ 46.671711] irq event stamp: 1735 [ 46.672348] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 46.673861] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 46.675410] softirqs last enabled at (1330): [] handle_softirqs+0x50c/0x770 [ 46.676942] softirqs last disabled at (1325): [] __irq_exit_rcu+0xc4/0x100 [ 46.678431] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.704072] ------------[ cut here ]------------ [ 49.705008] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.707090] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.708622] Modules linked in: [ 49.709287] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.711314] Tainted: [W]=WARN [ 49.711875] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.713406] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.714340] 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 [ 49.717541] RSP: 0018:ffff88800b05fbc0 EFLAGS: 00010286 [ 49.718542] RAX: 0000000000000000 RBX: ffffed100160bf78 RCX: ffffffff813a4050 [ 49.719852] RDX: ffff888018c03780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.721219] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100160bf2f [ 49.722521] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.723839] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800b05fdf8 [ 49.725163] FS: 00007fa4b6f08900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.726607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.727683] CR2: 00007ffefcaceef7 CR3: 000000001c66f000 CR4: 0000000000350ef0 [ 49.728996] Call Trace: [ 49.729470] [ 49.729873] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.730797] ? __create_object+0x59/0x80 [ 49.731596] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.732613] __vmalloc_noprof+0x59/0x60 [ 49.733390] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.734295] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.735241] bpf_prog_alloc+0x39/0x200 [ 49.735982] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.736962] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.737825] do_seccomp+0x349/0x25e0 [ 49.738560] ? find_held_lock+0x2b/0x80 [ 49.739322] ? do_prlimit+0x310/0x610 [ 49.740101] ? __pfx_do_seccomp+0x10/0x10 [ 49.740870] ? do_raw_spin_unlock+0x53/0x220 [ 49.741724] ? _raw_spin_unlock+0x1e/0x40 [ 49.742549] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.743529] ? static_key_count+0x60/0x80 [ 49.744350] prctl_set_seccomp+0x4e/0x70 [ 49.745170] __do_sys_prctl+0xe6c/0x1d70 [ 49.745945] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.746772] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.747765] ? irqentry_exit+0xf3/0x650 [ 49.748564] do_syscall_64+0xbf/0x430 [ 49.749313] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.750282] RIP: 0033:0x7fa4b73fa5cd [ 49.750980] 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 [ 49.754186] RSP: 002b:00007ffefcacce60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.755571] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa4b73fa5cd [ 49.756919] RDX: 000055abdd8cbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.757948] RBP: 00007ffefcaccec0 R08: 0000000000000000 R09: 00007ffefcacc560 [ 49.758755] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ac14b7aad0 [ 49.759597] R13: 00007ffefcacd2f0 R14: 000055ac14b7bbc0 R15: 000055ac14b8c780 [ 49.760445] [ 49.760739] irq event stamp: 2647 [ 49.761163] hardirqs last enabled at (2673): [] __up_console_sem+0x78/0x80 [ 49.761966] hardirqs last disabled at (2682): [] __up_console_sem+0x5d/0x80 [ 49.762685] softirqs last enabled at (2670): [] handle_softirqs+0x50c/0x770 [ 49.763436] softirqs last disabled at (2655): [] __irq_exit_rcu+0xc4/0x100 [ 49.764176] ---[ end trace 0000000000000000 ]--- [ 50.545344] ------------[ cut here ]------------ [ 50.546254] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.548271] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 50.549723] Modules linked in: [ 50.550373] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.552327] Tainted: [W]=WARN [ 50.552892] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.554395] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.555566] 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 [ 50.558843] RSP: 0018:ffff8880168e7bc0 EFLAGS: 00010286 [ 50.559836] RAX: 0000000000000000 RBX: ffffed1002d1cf78 RCX: ffffffff813a4050 [ 50.561125] RDX: ffff88800e99b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.562414] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d1cf2f [ 50.563709] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.565023] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880168e7df8 [ 50.566303] FS: 00007f40a3f6c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.567719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.568775] CR2: 00007f40a44d24a6 CR3: 0000000020595000 CR4: 0000000000350ef0 [ 50.570058] Call Trace: [ 50.570528] [ 50.570983] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.571844] ? __create_object+0x59/0x80 [ 50.572641] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.573606] __vmalloc_noprof+0x59/0x60 [ 50.574368] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.575243] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.576173] bpf_prog_alloc+0x39/0x200 [ 50.576884] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.577827] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.578735] do_seccomp+0x349/0x25e0 [ 50.579450] ? find_held_lock+0x2b/0x80 [ 50.580219] ? do_prlimit+0x310/0x610 [ 50.580967] ? __pfx_do_seccomp+0x10/0x10 [ 50.581706] ? do_raw_spin_unlock+0x53/0x220 [ 50.582552] ? _raw_spin_unlock+0x1e/0x40 [ 50.583324] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.584290] ? static_key_count+0x60/0x80 [ 50.585106] prctl_set_seccomp+0x4e/0x70 [ 50.585835] __do_sys_prctl+0xe6c/0x1d70 [ 50.586622] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.587468] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.588443] ? irqentry_exit+0xf3/0x650 [ 50.589221] do_syscall_64+0xbf/0x430 [ 50.589999] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.590939] RIP: 0033:0x7f40a445e5cd [ 50.591594] 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 [ 50.594857] RSP: 002b:00007ffe7388df70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.596234] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f40a445e5cd [ 50.597438] RDX: 0000556d5c551e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.598490] RBP: 00007ffe7388dfd0 R08: 0000000000000000 R09: 00007ffe7388d670 [ 50.599550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556d68f752b0 [ 50.600627] R13: 00007ffe7388e400 R14: 0000556d68f77d20 R15: 0000556d68f898d0 [ 50.601705] [ 50.602086] irq event stamp: 1775 [ 50.602587] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 50.603853] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 50.605119] softirqs last enabled at (1796): [] handle_softirqs+0x50c/0x770 [ 50.606392] softirqs last disabled at (1791): [] __irq_exit_rcu+0xc4/0x100 [ 50.607651] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:26887' (ECDSA) to the list of known hosts. 2025/11/17 15:10:31 fuzzer started 2025/11/17 15:10:31 dialing manager at localhost:37895 2025/11/17 15:10:31 checking machine... 2025/11/17 15:10:31 checking revisions... [ 51.447333] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:10:31 testing simple program... [ 51.531635] cgroup: Unknown subsys name 'net' [ 51.587606] cgroup: Unknown subsys name 'cpuset' [ 51.600248] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 15:10:30 Registers: info registers vcpu 0 RAX=00007ffefcacc6a0 RBX=0000000000000000 RCX=0000000000000002 RDX=00007ffefcacc680 RSI=0000000000000025 RDI=00007fa4b7a3794b RBP=00007ffefcacc530 RSP=00007ffefcacbfd8 R8 =0000000000000000 R9 =00007fa4b7a366fe R10=0000000000000001 R11=0000000000000000 R12=00007ffefcacc540 R13=00007fa4b7a3794b R14=00007ffefcacc680 R15=00000000fbad8000 RIP=00007fa4b745b700 RFL=00000246 [---Z-P-] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fa4b6f08900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa4b74bd650 CR3=000000001f69b000 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=ffffffffffffffffffff000000000000 XMM01=00007ffefcacc7600000003000000018 XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000ffffff XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff888015e57528 RCX=ffff888015e573b4 RDX=1ffff11002bcaeba RSI=ffffffff83c6fccf RDI=ffff888015e57534 RBP=ffff888015e575d0 RSP=ffff888015e57440 R8 =0000000000000001 R9 =ffff888015e574a0 R10=000000000003c9ed R11=000000000009a583 R12=ffff888015e57528 R13=0000000000000000 R14=ffff888015e58000 R15=ffff888008c4b140 RIP=ffffffff81619077 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 00007f0b19dae900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0b194c5000 CR3=000000000dc5b000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=5ee7fccced1220ab00000000000ae988 XMM05=9d84ff8caf93270d00000000003211b0 XMM06=d96330e2d2db8632000000000031f678 XMM07=fb795ef6d657705600000000003103c8 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000