[ 39.090127] ------------[ cut here ]------------ [ 39.091059] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.093081] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.094626] Modules linked in: [ 39.095288] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.097597] Tainted: [W]=WARN [ 39.098704] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.100242] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.101181] 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 [ 39.104488] RSP: 0018:ffff88801b51fbc0 EFLAGS: 00010286 [ 39.105520] RAX: 0000000000000000 RBX: ffffed10036a3f78 RCX: ffffffff813a4050 [ 39.106871] RDX: ffff888017ae8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.108187] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10036a3f2f [ 39.109533] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.110884] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b51fdf8 [ 39.112218] FS: 00007f1126c29900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.113704] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.114789] CR2: 00007ffe79858ef7 CR3: 000000000e583000 CR4: 0000000000350ef0 [ 39.116100] Call Trace: [ 39.116577] [ 39.117039] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.117959] ? __create_object+0x59/0x80 [ 39.118711] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.119703] __vmalloc_noprof+0x59/0x60 [ 39.120471] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.121361] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.122327] bpf_prog_alloc+0x39/0x200 [ 39.123072] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.124021] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.124942] do_seccomp+0x349/0x25e0 [ 39.125640] ? find_held_lock+0x2b/0x80 [ 39.126413] ? do_prlimit+0x310/0x610 [ 39.127173] ? __pfx_do_seccomp+0x10/0x10 [ 39.127979] ? do_raw_spin_unlock+0x53/0x220 [ 39.128790] ? _raw_spin_unlock+0x1e/0x40 [ 39.129596] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.130575] ? static_key_count+0x60/0x80 [ 39.131390] prctl_set_seccomp+0x4e/0x70 [ 39.132193] __do_sys_prctl+0xe6c/0x1d70 [ 39.132988] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.133834] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.134896] ? irqentry_exit+0xf3/0x650 [ 39.135664] do_syscall_64+0xbf/0x430 [ 39.136453] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.137466] RIP: 0033:0x7f112711b5cd [ 39.138218] 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 [ 39.141627] RSP: 002b:00007ffe79856540 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.143094] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f112711b5cd [ 39.144412] RDX: 000055e35d730e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.145700] RBP: 00007ffe798565a0 R08: 0000000000000000 R09: 00007ffe79855c40 [ 39.146997] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e387d86ad0 [ 39.148296] R13: 00007ffe798569d0 R14: 000055e387d87bc0 R15: 000055e387d98780 [ 39.149655] [ 39.150145] irq event stamp: 1927 [ 39.150780] hardirqs last enabled at (1935): [] __up_console_sem+0x78/0x80 [ 39.152330] hardirqs last disabled at (1944): [] __up_console_sem+0x5d/0x80 [ 39.153894] softirqs last enabled at (1864): [] handle_softirqs+0x50c/0x770 [ 39.155476] softirqs last disabled at (1859): [] __irq_exit_rcu+0xc4/0x100 [ 39.157026] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.079016] ------------[ cut here ]------------ [ 42.079922] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.081977] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.083406] Modules linked in: [ 42.084046] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.086064] Tainted: [W]=WARN [ 42.086621] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.088091] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.089008] 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 [ 42.092187] RSP: 0018:ffff88801741fbc0 EFLAGS: 00010286 [ 42.093170] RAX: 0000000000000000 RBX: ffffed1002e83f78 RCX: ffffffff813a4050 [ 42.094470] RDX: ffff888017200000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.095755] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e83f2f [ 42.097040] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.098319] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801741fdf8 [ 42.099585] FS: 00007ff824e8e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.101005] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.102081] CR2: 00007fffc35c7ef7 CR3: 000000000daca000 CR4: 0000000000350ef0 [ 42.103367] Call Trace: [ 42.103840] [ 42.104289] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.105185] ? __create_object+0x59/0x80 [ 42.105989] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.106963] __vmalloc_noprof+0x59/0x60 [ 42.107671] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.108541] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.109458] bpf_prog_alloc+0x39/0x200 [ 42.110199] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.111127] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.112034] do_seccomp+0x349/0x25e0 [ 42.112699] ? find_held_lock+0x2b/0x80 [ 42.113446] ? do_prlimit+0x310/0x610 [ 42.114200] ? __pfx_do_seccomp+0x10/0x10 [ 42.114986] ? do_raw_spin_unlock+0x53/0x220 [ 42.115772] ? _raw_spin_unlock+0x1e/0x40 [ 42.116554] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.117518] ? static_key_count+0x60/0x80 [ 42.118347] prctl_set_seccomp+0x4e/0x70 [ 42.119120] __do_sys_prctl+0xe6c/0x1d70 [ 42.119901] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.120718] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.121691] ? irqentry_exit+0xf3/0x650 [ 42.122454] do_syscall_64+0xbf/0x430 [ 42.123194] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.124145] RIP: 0033:0x7ff8253805cd [ 42.124803] 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 [ 42.127965] RSP: 002b:00007fffc35c5660 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.129348] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff8253805cd [ 42.130622] RDX: 0000558cda1cce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.131879] RBP: 00007fffc35c56c0 R08: 0000000000000000 R09: 00007fffc35c4d60 [ 42.133138] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558d0d29cad0 [ 42.134423] R13: 00007fffc35c5af0 R14: 0000558d0d29dbc0 R15: 0000558d0d2ae780 [ 42.135718] [ 42.136179] irq event stamp: 1659 [ 42.136805] hardirqs last enabled at (1667): [] __up_console_sem+0x78/0x80 [ 42.138363] hardirqs last disabled at (1678): [] __up_console_sem+0x5d/0x80 [ 42.139882] softirqs last enabled at (1596): [] handle_softirqs+0x50c/0x770 [ 42.141401] softirqs last disabled at (1591): [] __irq_exit_rcu+0xc4/0x100 [ 42.142588] ---[ end trace 0000000000000000 ]--- [ 42.903318] ------------[ cut here ]------------ [ 42.904096] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.905757] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.906937] Modules linked in: [ 42.907418] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.909038] Tainted: [W]=WARN [ 42.909493] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.910704] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.911448] 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 [ 42.914055] RSP: 0018:ffff888017757bc0 EFLAGS: 00010286 [ 42.914826] RAX: 0000000000000000 RBX: ffffed1002eeaf78 RCX: ffffffff813a4050 [ 42.915896] RDX: ffff8880184d0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.916949] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eeaf2f [ 42.918052] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.919102] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017757df8 [ 42.920152] FS: 00007fabac460900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.921323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.922731] CR2: 00007fabac9c64a6 CR3: 000000000d00d000 CR4: 0000000000350ef0 [ 42.923802] Call Trace: [ 42.924206] [ 42.924551] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.925279] ? __create_object+0x59/0x80 [ 42.925929] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.926690] __vmalloc_noprof+0x59/0x60 [ 42.927299] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.928022] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.928755] bpf_prog_alloc+0x39/0x200 [ 42.929353] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.930123] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.930840] do_seccomp+0x349/0x25e0 [ 42.931419] ? find_held_lock+0x2b/0x80 [ 42.932038] ? do_prlimit+0x310/0x610 [ 42.932614] ? __pfx_do_seccomp+0x10/0x10 [ 42.933248] ? do_raw_spin_unlock+0x53/0x220 [ 42.933936] ? _raw_spin_unlock+0x1e/0x40 [ 42.934548] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.935329] ? static_key_count+0x60/0x80 [ 42.935982] prctl_set_seccomp+0x4e/0x70 [ 42.936581] __do_sys_prctl+0xe6c/0x1d70 [ 42.937211] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.937918] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.938672] ? irqentry_exit+0xf3/0x650 [ 42.939280] do_syscall_64+0xbf/0x430 [ 42.939876] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.940623] RIP: 0033:0x7fabac9525cd [ 42.941192] 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 [ 42.943800] RSP: 002b:00007fffc474f250 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.944916] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fabac9525cd [ 42.945958] RDX: 0000560ad5b00e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.946999] RBP: 00007fffc474f2b0 R08: 0000000000000000 R09: 00007fffc474e950 [ 42.948041] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560b12dd0bf0 [ 42.949075] R13: 00007fffc474f6e0 R14: 0000560b12dda380 R15: 0000560b12de5460 [ 42.950147] [ 42.950495] irq event stamp: 1717 [ 42.951021] hardirqs last enabled at (1727): [] __up_console_sem+0x78/0x80 [ 42.952269] hardirqs last disabled at (1736): [] __up_console_sem+0x5d/0x80 [ 42.953523] softirqs last enabled at (1368): [] handle_softirqs+0x50c/0x770 [ 42.954802] softirqs last disabled at (1325): [] __irq_exit_rcu+0xc4/0x100 [ 42.956077] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:32219' (ECDSA) to the list of known hosts. 2025/11/18 10:16:00 fuzzer started 2025/11/18 10:16:01 dialing manager at localhost:34383 2025/11/18 10:16:01 checking machine... 2025/11/18 10:16:01 checking revisions... [ 43.855411] kmemleak: Automatic memory scanning thread ended 2025/11/18 10:16:01 testing simple program... [ 43.940956] cgroup: Unknown subsys name 'net' [ 44.001743] cgroup: Unknown subsys name 'cpuset' [ 44.015208] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 10:16:00 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888009611bc0 RCX=dfb8078e475e76a4 RDX=0000000085cb9a3e RSI=000000008301a466 RDI=0000000081125d94 RBP=ffff888009612618 RSP=ffff8880096276f8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888009612640 R13=0000000008cd3ea4 R14=0000000000000000 R15=dfb8078e475e76a4 RIP=ffffffff815273ce RFL=00000082 [--S----] 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 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f683d93a020 CR3=000000000d7f0000 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=ca8ad06193c626e800000000000ae988 XMM05=1626bc0c2caccc640000000000322ed8 XMM06=090f1556b20111b30000000000322020 XMM07=fb795ef6d65770560000000000311dc8 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff8880096fb780 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff81b49e3b RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff888009757a50 R8 =0000000000000000 R9 =0000000000000000 R10=ffffffff88594900 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000246 RIP=ffffffff81529332 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 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=00007ff8254460b0 CR3=000000000a1bd000 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=36313a303120383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323234 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000