------------[ cut here ]------------ WARNING: CPU: 0 PID: 8900 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 0 PID: 8900 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 0 PID: 8900 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 0 PID: 8900 Comm: syz-executor.4 Not tainted 5.10.240 #1 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'. Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:525 [inline] RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:523 [inline] RIP: 0010:hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Code: 00 00 31 f6 48 81 c7 e0 00 00 00 e8 0a de 7c 02 31 ff 41 89 c6 89 c6 e8 be d8 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 60 df d5 ff <0f> 0b e9 52 fe ff ff e8 54 df d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff88804862f9a8 EFLAGS: 00010216 RAX: 00000000000001a4 RBX: ffff8880541f5c00 RCX: ffffc90006823000 RDX: 0000000000040000 RSI: ffffffff816aeed0 RDI: 0000000000000005 RBP: 0000000020400000 R08: 0000000000000000 R09: ffff88804c44b1bf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff110090c5f3e R13: ffffffff8567a47c R14: 0000000000000000 R15: 0000000000000001 FS: 00007fe5480b1700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'. CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ce20000 CR3: 00000000595f8000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __vma_adjust+0xbe8/0x2510 mm/mmap.c:841 vma_adjust include/linux/mm.h:2537 [inline] __split_vma+0x41a/0x4e0 mm/mmap.c:2778 __do_munmap+0xfae/0x1260 mm/mmap.c:2876 do_munmap mm/mmap.c:2930 [inline] munmap_vma_range mm/mmap.c:599 [inline] __mmap_region mm/mmap.c:1763 [inline] mmap_region+0x7c8/0x1500 mm/mmap.c:2953 do_mmap+0xcdb/0x11e0 mm/mmap.c:1590 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0xde/0x560 mm/mmap.c:1641 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fe54ab3bb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe5480b1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fe54ac4ef60 RCX: 00007fe54ab3bb19 RDX: 0000000000000000 RSI: 0000000000400000 RDI: 0000000020000000 RBP: 00007fe54ab95f6d R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000002132 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffabd45e4f R14: 00007fe5480b1300 R15: 0000000000022000 irq event stamp: 1069 hardirqs last enabled at (1081): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1090): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (548): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (495): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 6404c2b238e10e12 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8900 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 0 PID: 8900 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 0 PID: 8900 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 0 PID: 8900 Comm: syz-executor.4 Tainted: G W 5.10.240 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:525 [inline] RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:523 [inline] RIP: 0010:hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Code: 00 00 31 f6 48 81 c7 e0 00 00 00 e8 0a de 7c 02 31 ff 41 89 c6 89 c6 e8 be d8 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 60 df d5 ff <0f> 0b e9 52 fe ff ff e8 54 df d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff88804862f9a8 EFLAGS: 00010202 RAX: 0000000000023af0 RBX: ffff8880541f5c00 RCX: ffffc90006823000 RDX: 0000000000040000 RSI: ffffffff816aeed0 RDI: 0000000000000005 RBP: 0000000020800000 R08: 0000000000000000 R09: ffff88804c44b1bf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff110090c5f3e R13: ffffffff8567a47c R14: 0000000000000000 R15: 0000000000000001 FS: 00007fe5480b1700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ce20000 CR3: 00000000595f8000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __vma_adjust+0xbf3/0x2510 mm/mmap.c:842 vma_adjust include/linux/mm.h:2537 [inline] __split_vma+0x41a/0x4e0 mm/mmap.c:2778 __do_munmap+0xfae/0x1260 mm/mmap.c:2876 do_munmap mm/mmap.c:2930 [inline] munmap_vma_range mm/mmap.c:599 [inline] __mmap_region mm/mmap.c:1763 [inline] mmap_region+0x7c8/0x1500 mm/mmap.c:2953 do_mmap+0xcdb/0x11e0 mm/mmap.c:1590 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0xde/0x560 mm/mmap.c:1641 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fe54ab3bb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe5480b1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fe54ac4ef60 RCX: 00007fe54ab3bb19 RDX: 0000000000000000 RSI: 0000000000400000 RDI: 0000000020000000 RBP: 00007fe54ab95f6d R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000002132 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffabd45e4f R14: 00007fe5480b1300 R15: 0000000000022000 irq event stamp: 1687 hardirqs last enabled at (1699): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1710): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (548): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (495): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 6404c2b238e10e13 ]--- FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8911 Comm: syz-executor.3 Tainted: G W 5.10.240 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 should_failslab+0x5/0x20 mm/slab_common.c:1200 slab_pre_alloc_hook mm/slab.h:515 [inline] slab_alloc_node mm/slub.c:2821 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x5b/0x310 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] __kmalloc+0x16e/0x390 mm/slub.c:3967 kmalloc_array include/linux/slab.h:592 [inline] kcalloc include/linux/slab.h:603 [inline] iter_file_splice_write+0x165/0xc90 fs/splice.c:628 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0x10f/0x170 fs/splice.c:936 splice_direct_to_actor+0x387/0x980 fs/splice.c:891 do_splice_direct+0x1c4/0x290 fs/splice.c:979 do_sendfile+0x553/0x11e0 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x1d1/0x210 fs/read_write.c:1304 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fed8d14db19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fed8a6c3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fed8d260f60 RCX: 00007fed8d14db19 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007fed8a6c31d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000100000001 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc2cef179f R14: 00007fed8a6c3300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8915 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 1 PID: 8915 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 1 PID: 8915 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 1 PID: 8915 Comm: syz-executor.4 Tainted: G W 5.10.240 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:525 [inline] RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:523 [inline] RIP: 0010:hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Code: 00 00 31 f6 48 81 c7 e0 00 00 00 e8 0a de 7c 02 31 ff 41 89 c6 89 c6 e8 be d8 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 60 df d5 ff <0f> 0b e9 52 fe ff ff e8 54 df d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff88804939f9a8 EFLAGS: 00010212 RAX: 000000000000014b RBX: ffff88800d88c900 RCX: ffffc90007e2e000 RDX: 0000000000040000 RSI: ffffffff816aeed0 RDI: 0000000000000005 RBP: 0000000020400000 R08: 0000000000000000 R09: ffff88804c44b1bf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff11009273f3e R13: ffffffff8567a47c R14: 0000000000000000 R15: 0000000000000001 FS: 00007fe548090700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe50228fd8 CR3: 00000000595f8000 CR4: 0000000000350ee0 Call Trace: __vma_adjust+0xbe8/0x2510 mm/mmap.c:841 vma_adjust include/linux/mm.h:2537 [inline] __split_vma+0x41a/0x4e0 mm/mmap.c:2778 __do_munmap+0xfae/0x1260 mm/mmap.c:2876 do_munmap mm/mmap.c:2930 [inline] munmap_vma_range mm/mmap.c:599 [inline] __mmap_region mm/mmap.c:1763 [inline] mmap_region+0x7c8/0x1500 mm/mmap.c:2953 do_mmap+0xcdb/0x11e0 mm/mmap.c:1590 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0xde/0x560 mm/mmap.c:1641 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fe54ab3bb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe548090188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fe54ac4f020 RCX: 00007fe54ab3bb19 RDX: 0000000000000000 RSI: 0000000000400000 RDI: 0000000020000000 RBP: 00007fe54ab95f6d R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000002132 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffabd45e4f R14: 00007fe548090300 R15: 0000000000022000 irq event stamp: 1169 hardirqs last enabled at (1179): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1188): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (876): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (835): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 6404c2b238e10e14 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8915 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 1 PID: 8915 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 1 PID: 8915 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 1 PID: 8915 Comm: syz-executor.4 Tainted: G W 5.10.240 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:525 [inline] RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:523 [inline] RIP: 0010:hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Code: 00 00 31 f6 48 81 c7 e0 00 00 00 e8 0a de 7c 02 31 ff 41 89 c6 89 c6 e8 be d8 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 60 df d5 ff <0f> 0b e9 52 fe ff ff e8 54 df d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff88804939f9a8 EFLAGS: 00010212 RAX: 0000000000018f76 RBX: ffff88800d88c900 RCX: ffffc90007e2e000 RDX: 0000000000040000 RSI: ffffffff816aeed0 RDI: 0000000000000005 RBP: 0000000020800000 R08: 0000000000000000 R09: ffff88804c44b1bf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff11009273f3e R13: ffffffff8567a47c R14: 0000000000000000 R15: 0000000000000001 FS: 00007fe548090700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe50228fd8 CR3: 00000000595f8000 CR4: 0000000000350ee0 Call Trace: __vma_adjust+0xbf3/0x2510 mm/mmap.c:842 vma_adjust include/linux/mm.h:2537 [inline] __split_vma+0x41a/0x4e0 mm/mmap.c:2778 __do_munmap+0xfae/0x1260 mm/mmap.c:2876 do_munmap mm/mmap.c:2930 [inline] munmap_vma_range mm/mmap.c:599 [inline] __mmap_region mm/mmap.c:1763 [inline] mmap_region+0x7c8/0x1500 mm/mmap.c:2953 do_mmap+0xcdb/0x11e0 mm/mmap.c:1590 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0xde/0x560 mm/mmap.c:1641 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fe54ab3bb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe548090188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fe54ac4f020 RCX: 00007fe54ab3bb19 RDX: 0000000000000000 RSI: 0000000000400000 RDI: 0000000020000000 RBP: 00007fe54ab95f6d R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000002132 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffabd45e4f R14: 00007fe548090300 R15: 0000000000022000 irq event stamp: 1681 hardirqs last enabled at (1691): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1700): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (876): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (835): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 6404c2b238e10e15 ]--- loop7: detected capacity change from 0 to 262144 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. EXT4-fs (loop7): mounted filesystem without journal. Opts: ,errors=continue wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready